Home / 231,377.60-347,152.80-91,233.92

Finding the Fourth Proportional to 231,377.60, 347,152.80 and 91,233.92

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Solution

The fourth proportional to 231,377.60, 347,152.80 and 91,233.92 is: 136,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,377.60 : 347,152.80 = 91,233.92 : x
  2. Step 2: Convert to fraction form
    231,377.60/347,152.80 = 91,233.92/x
  3. Step 3: Cross multiply
    231,377.60x = 347,152.80 × 91,233.92
  4. Step 4: Simplify right side
    231,377.60x = 31,672,110,782.98
  5. Step 5: Solve for x
    x = 31,672,110,782.98/231,377.60
  6. Step 6: Final answer
    x = 136,884.95

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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.