Home / 151,133.04-208,591.20-87,476.76

Finding the Fourth Proportional to 151,133.04, 208,591.20 and 87,476.76

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Solution

The fourth proportional to 151,133.04, 208,591.20 and 87,476.76 is: 120,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,133.04 : 208,591.20 = 87,476.76 : x
  2. Step 2: Convert to fraction form
    151,133.04/208,591.20 = 87,476.76/x
  3. Step 3: Cross multiply
    151,133.04x = 208,591.20 × 87,476.76
  4. Step 4: Simplify right side
    151,133.04x = 18,246,882,340.51
  5. Step 5: Solve for x
    x = 18,246,882,340.51/151,133.04
  6. Step 6: Final answer
    x = 120,733.91

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.