Home / 123,476.28-170,397.72-66,887.52

Finding the Fourth Proportional to 123,476.28, 170,397.72 and 66,887.52

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Solution

The fourth proportional to 123,476.28, 170,397.72 and 66,887.52 is: 92,305.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,476.28 : 170,397.72 = 66,887.52 : x
  2. Step 2: Convert to fraction form
    123,476.28/170,397.72 = 66,887.52/x
  3. Step 3: Cross multiply
    123,476.28x = 170,397.72 × 66,887.52
  4. Step 4: Simplify right side
    123,476.28x = 11,397,480,904.45
  5. Step 5: Solve for x
    x = 11,397,480,904.45/123,476.28
  6. Step 6: Final answer
    x = 92,305.02

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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.