Home / 119,838.11-165,375.56-66,123.64

Finding the Fourth Proportional to 119,838.11, 165,375.56 and 66,123.64

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Solution

The fourth proportional to 119,838.11, 165,375.56 and 66,123.64 is: 91,250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,838.11 : 165,375.56 = 66,123.64 : x
  2. Step 2: Convert to fraction form
    119,838.11/165,375.56 = 66,123.64/x
  3. Step 3: Cross multiply
    119,838.11x = 165,375.56 × 66,123.64
  4. Step 4: Simplify right side
    119,838.11x = 10,935,232,836.74
  5. Step 5: Solve for x
    x = 10,935,232,836.74/119,838.11
  6. Step 6: Final answer
    x = 91,250.04

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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.