Home / 102,496.09-141,445.38-57,177.04

Finding the Fourth Proportional to 102,496.09, 141,445.38 and 57,177.04

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Solution

The fourth proportional to 102,496.09, 141,445.38 and 57,177.04 is: 78,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,496.09 : 141,445.38 = 57,177.04 : x
  2. Step 2: Convert to fraction form
    102,496.09/141,445.38 = 57,177.04/x
  3. Step 3: Cross multiply
    102,496.09x = 141,445.38 × 57,177.04
  4. Step 4: Simplify right side
    102,496.09x = 8,087,428,150.08
  5. Step 5: Solve for x
    x = 8,087,428,150.08/102,496.09
  6. Step 6: Final answer
    x = 78,904.75

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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.