Home / 173,868.30-260,802.45-131,877.90

Finding the Fourth Proportional to 173,868.30, 260,802.45 and 131,877.90

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Solution

The fourth proportional to 173,868.30, 260,802.45 and 131,877.90 is: 197,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868.30 : 260,802.45 = 131,877.90 : x
  2. Step 2: Convert to fraction form
    173,868.30/260,802.45 = 131,877.90/x
  3. Step 3: Cross multiply
    173,868.30x = 260,802.45 × 131,877.90
  4. Step 4: Simplify right side
    173,868.30x = 34,394,079,420.86
  5. Step 5: Solve for x
    x = 34,394,079,420.86/173,868.30
  6. Step 6: Final answer
    x = 197,816.85

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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.