Home / 108,757.38-150,084.53-63,431.81

Finding the Fourth Proportional to 108,757.38, 150,084.53 and 63,431.81

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Solution

The fourth proportional to 108,757.38, 150,084.53 and 63,431.81 is: 87,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,757.38 : 150,084.53 = 63,431.81 : x
  2. Step 2: Convert to fraction form
    108,757.38/150,084.53 = 63,431.81/x
  3. Step 3: Cross multiply
    108,757.38x = 150,084.53 × 63,431.81
  4. Step 4: Simplify right side
    108,757.38x = 9,520,132,323.32
  5. Step 5: Solve for x
    x = 9,520,132,323.32/108,757.38
  6. Step 6: Final answer
    x = 87,535.51

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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.