Home / 151,190.13-208,630.24-87,532.03

Finding the Fourth Proportional to 151,190.13, 208,630.24 and 87,532.03

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Solution

The fourth proportional to 151,190.13, 208,630.24 and 87,532.03 is: 120,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,190.13 : 208,630.24 = 87,532.03 : x
  2. Step 2: Convert to fraction form
    151,190.13/208,630.24 = 87,532.03/x
  3. Step 3: Cross multiply
    151,190.13x = 208,630.24 × 87,532.03
  4. Step 4: Simplify right side
    151,190.13x = 18,261,828,426.59
  5. Step 5: Solve for x
    x = 18,261,828,426.59/151,190.13
  6. Step 6: Final answer
    x = 120,787.17

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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.