Home / 119,801.13-165,312.77-66,086.15

Finding the Fourth Proportional to 119,801.13, 165,312.77 and 66,086.15

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Solution

The fourth proportional to 119,801.13, 165,312.77 and 66,086.15 is: 91,191.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,801.13 : 165,312.77 = 66,086.15 : x
  2. Step 2: Convert to fraction form
    119,801.13/165,312.77 = 66,086.15/x
  3. Step 3: Cross multiply
    119,801.13x = 165,312.77 × 66,086.15
  4. Step 4: Simplify right side
    119,801.13x = 10,924,883,358.14
  5. Step 5: Solve for x
    x = 10,924,883,358.14/119,801.13
  6. Step 6: Final answer
    x = 91,191.83

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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.