Home / 231,877.60-347,613.90-89,819.80

Finding the Fourth Proportional to 231,877.60, 347,613.90 and 89,819.80

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Solution

The fourth proportional to 231,877.60, 347,613.90 and 89,819.80 is: 134,651.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,877.60 : 347,613.90 = 89,819.80 : x
  2. Step 2: Convert to fraction form
    231,877.60/347,613.90 = 89,819.80/x
  3. Step 3: Cross multiply
    231,877.60x = 347,613.90 × 89,819.80
  4. Step 4: Simplify right side
    231,877.60x = 31,222,610,975.22
  5. Step 5: Solve for x
    x = 31,222,610,975.22/231,877.60
  6. Step 6: Final answer
    x = 134,651.26

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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.