Home / 119,901.52-165,463.19-66,186.58

Finding the Fourth Proportional to 119,901.52, 165,463.19 and 66,186.58

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Solution

The fourth proportional to 119,901.52, 165,463.19 and 66,186.58 is: 91,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,901.52 : 165,463.19 = 66,186.58 : x
  2. Step 2: Convert to fraction form
    119,901.52/165,463.19 = 66,186.58/x
  3. Step 3: Cross multiply
    119,901.52x = 165,463.19 × 66,186.58
  4. Step 4: Simplify right side
    119,901.52x = 10,951,441,503.74
  5. Step 5: Solve for x
    x = 10,951,441,503.74/119,901.52
  6. Step 6: Final answer
    x = 91,336.97

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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.