Home / 137,660.28-206,446.64-93,570.36

Finding the Fourth Proportional to 137,660.28, 206,446.64 and 93,570.36

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Solution

The fourth proportional to 137,660.28, 206,446.64 and 93,570.36 is: 140,325.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,660.28 : 206,446.64 = 93,570.36 : x
  2. Step 2: Convert to fraction form
    137,660.28/206,446.64 = 93,570.36/x
  3. Step 3: Cross multiply
    137,660.28x = 206,446.64 × 93,570.36
  4. Step 4: Simplify right side
    137,660.28x = 19,317,286,425.59
  5. Step 5: Solve for x
    x = 19,317,286,425.59/137,660.28
  6. Step 6: Final answer
    x = 140,325.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.