Home / 151,251.24-208,705.44-100,184.76

Finding the Fourth Proportional to 151,251.24, 208,705.44 and 100,184.76

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Solution

The fourth proportional to 151,251.24, 208,705.44 and 100,184.76 is: 138,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,251.24 : 208,705.44 = 100,184.76 : x
  2. Step 2: Convert to fraction form
    151,251.24/208,705.44 = 100,184.76/x
  3. Step 3: Cross multiply
    151,251.24x = 208,705.44 × 100,184.76
  4. Step 4: Simplify right side
    151,251.24x = 20,909,104,417.09
  5. Step 5: Solve for x
    x = 20,909,104,417.09/151,251.24
  6. Step 6: Final answer
    x = 138,240.88

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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.