Home / 231,937.20-347,646.60-132,145.20

Finding the Fourth Proportional to 231,937.20, 347,646.60 and 132,145.20

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Solution

The fourth proportional to 231,937.20, 347,646.60 and 132,145.20 is: 198,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,937.20 : 347,646.60 = 132,145.20 : x
  2. Step 2: Convert to fraction form
    231,937.20/347,646.60 = 132,145.20/x
  3. Step 3: Cross multiply
    231,937.20x = 347,646.60 × 132,145.20
  4. Step 4: Simplify right side
    231,937.20x = 45,939,829,486.32
  5. Step 5: Solve for x
    x = 45,939,829,486.32/231,937.20
  6. Step 6: Final answer
    x = 198,070.12

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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.