Home / 119,888.00-165,343.85-72,132.42

Finding the Fourth Proportional to 119,888.00, 165,343.85 and 72,132.42

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Solution

The fourth proportional to 119,888.00, 165,343.85 and 72,132.42 is: 99,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,888.00 : 165,343.85 = 72,132.42 : x
  2. Step 2: Convert to fraction form
    119,888.00/165,343.85 = 72,132.42/x
  3. Step 3: Cross multiply
    119,888.00x = 165,343.85 × 72,132.42
  4. Step 4: Simplify right side
    119,888.00x = 11,926,651,671.95
  5. Step 5: Solve for x
    x = 11,926,651,671.95/119,888.00
  6. Step 6: Final answer
    x = 99,481.62

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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.