Home / 173,683.20-260,565.76-138,278.38

Finding the Fourth Proportional to 173,683.20, 260,565.76 and 138,278.38

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Solution

The fourth proportional to 173,683.20, 260,565.76 and 138,278.38 is: 207,450.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,683.20 : 260,565.76 = 138,278.38 : x
  2. Step 2: Convert to fraction form
    173,683.20/260,565.76 = 138,278.38/x
  3. Step 3: Cross multiply
    173,683.20x = 260,565.76 × 138,278.38
  4. Step 4: Simplify right side
    173,683.20x = 36,030,611,176.27
  5. Step 5: Solve for x
    x = 36,030,611,176.27/173,683.20
  6. Step 6: Final answer
    x = 207,450.18

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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.