Home / 119,811.13-165,338.89-66,099.49

Finding the Fourth Proportional to 119,811.13, 165,338.89 and 66,099.49

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Solution

The fourth proportional to 119,811.13, 165,338.89 and 66,099.49 is: 91,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,811.13 : 165,338.89 = 66,099.49 : x
  2. Step 2: Convert to fraction form
    119,811.13/165,338.89 = 66,099.49/x
  3. Step 3: Cross multiply
    119,811.13x = 165,338.89 × 66,099.49
  4. Step 4: Simplify right side
    119,811.13x = 10,928,816,306.17
  5. Step 5: Solve for x
    x = 10,928,816,306.17/119,811.13
  6. Step 6: Final answer
    x = 91,217.04

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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.