Home / 112,507.28-155,264.87-61,516.97

Finding the Fourth Proportional to 112,507.28, 155,264.87 and 61,516.97

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Solution

The fourth proportional to 112,507.28, 155,264.87 and 61,516.97 is: 84,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,507.28 : 155,264.87 = 61,516.97 : x
  2. Step 2: Convert to fraction form
    112,507.28/155,264.87 = 61,516.97/x
  3. Step 3: Cross multiply
    112,507.28x = 155,264.87 × 61,516.97
  4. Step 4: Simplify right side
    112,507.28x = 9,551,423,963.52
  5. Step 5: Solve for x
    x = 9,551,423,963.52/112,507.28
  6. Step 6: Final answer
    x = 84,896.05

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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.