Home / 102,397.07-141,308.60-57,077.93

Finding the Fourth Proportional to 102,397.07, 141,308.60 and 57,077.93

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Solution

The fourth proportional to 102,397.07, 141,308.60 and 57,077.93 is: 78,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,397.07 : 141,308.60 = 57,077.93 : x
  2. Step 2: Convert to fraction form
    102,397.07/141,308.60 = 57,077.93/x
  3. Step 3: Cross multiply
    102,397.07x = 141,308.60 × 57,077.93
  4. Step 4: Simplify right side
    102,397.07x = 8,065,602,447.08
  5. Step 5: Solve for x
    x = 8,065,602,447.08/102,397.07
  6. Step 6: Final answer
    x = 78,767.90

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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.