Home / 102,425.92-141,267.65-66,627.36

Finding the Fourth Proportional to 102,425.92, 141,267.65 and 66,627.36

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Solution

The fourth proportional to 102,425.92, 141,267.65 and 66,627.36 is: 91,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,425.92 : 141,267.65 = 66,627.36 : x
  2. Step 2: Convert to fraction form
    102,425.92/141,267.65 = 66,627.36/x
  3. Step 3: Cross multiply
    102,425.92x = 141,267.65 × 66,627.36
  4. Step 4: Simplify right side
    102,425.92x = 9,412,290,239.77
  5. Step 5: Solve for x
    x = 9,412,290,239.77/102,425.92
  6. Step 6: Final answer
    x = 91,893.64

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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.