Home / 137,660.18-206,565.53-53,423.69

Finding the Fourth Proportional to 137,660.18, 206,565.53 and 53,423.69

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Solution

The fourth proportional to 137,660.18, 206,565.53 and 53,423.69 is: 80,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,660.18 : 206,565.53 = 53,423.69 : x
  2. Step 2: Convert to fraction form
    137,660.18/206,565.53 = 53,423.69/x
  3. Step 3: Cross multiply
    137,660.18x = 206,565.53 × 53,423.69
  4. Step 4: Simplify right side
    137,660.18x = 11,035,491,539.46
  5. Step 5: Solve for x
    x = 11,035,491,539.46/137,660.18
  6. Step 6: Final answer
    x = 80,164.74

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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.