Home / 119,850.74-165,370.92-72,107.16

Finding the Fourth Proportional to 119,850.74, 165,370.92 and 72,107.16

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Solution

The fourth proportional to 119,850.74, 165,370.92 and 72,107.16 is: 99,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,850.74 : 165,370.92 = 72,107.16 : x
  2. Step 2: Convert to fraction form
    119,850.74/165,370.92 = 72,107.16/x
  3. Step 3: Cross multiply
    119,850.74x = 165,370.92 × 72,107.16
  4. Step 4: Simplify right side
    119,850.74x = 11,924,427,387.79
  5. Step 5: Solve for x
    x = 11,924,427,387.79/119,850.74
  6. Step 6: Final answer
    x = 99,493.98

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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.