Home / 119,835.28-165,376.15-66,123.76

Finding the Fourth Proportional to 119,835.28, 165,376.15 and 66,123.76

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Solution

The fourth proportional to 119,835.28, 165,376.15 and 66,123.76 is: 91,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,835.28 : 165,376.15 = 66,123.76 : x
  2. Step 2: Convert to fraction form
    119,835.28/165,376.15 = 66,123.76/x
  3. Step 3: Cross multiply
    119,835.28x = 165,376.15 × 66,123.76
  4. Step 4: Simplify right side
    119,835.28x = 10,935,292,852.32
  5. Step 5: Solve for x
    x = 10,935,292,852.32/119,835.28
  6. Step 6: Final answer
    x = 91,252.70

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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.