Home / 231,330.30-347,125.05-98,187.90

Finding the Fourth Proportional to 231,330.30, 347,125.05 and 98,187.90

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Solution

The fourth proportional to 231,330.30, 347,125.05 and 98,187.90 is: 147,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,330.30 : 347,125.05 = 98,187.90 : x
  2. Step 2: Convert to fraction form
    231,330.30/347,125.05 = 98,187.90/x
  3. Step 3: Cross multiply
    231,330.30x = 347,125.05 × 98,187.90
  4. Step 4: Simplify right side
    231,330.30x = 34,083,479,696.90
  5. Step 5: Solve for x
    x = 34,083,479,696.90/231,330.30
  6. Step 6: Final answer
    x = 147,336.86

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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.