Home / 119,867.27-165,419.14-66,151.14

Finding the Fourth Proportional to 119,867.27, 165,419.14 and 66,151.14

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Solution

The fourth proportional to 119,867.27, 165,419.14 and 66,151.14 is: 91,289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,867.27 : 165,419.14 = 66,151.14 : x
  2. Step 2: Convert to fraction form
    119,867.27/165,419.14 = 66,151.14/x
  3. Step 3: Cross multiply
    119,867.27x = 165,419.14 × 66,151.14
  4. Step 4: Simplify right side
    119,867.27x = 10,942,663,861.72
  5. Step 5: Solve for x
    x = 10,942,663,861.72/119,867.27
  6. Step 6: Final answer
    x = 91,289.84

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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.