Home / 231,002.60-346,503.90-112,749.80

Finding the Fourth Proportional to 231,002.60, 346,503.90 and 112,749.80

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Solution

The fourth proportional to 231,002.60, 346,503.90 and 112,749.80 is: 169,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,002.60 : 346,503.90 = 112,749.80 : x
  2. Step 2: Convert to fraction form
    231,002.60/346,503.90 = 112,749.80/x
  3. Step 3: Cross multiply
    231,002.60x = 346,503.90 × 112,749.80
  4. Step 4: Simplify right side
    231,002.60x = 39,068,245,424.22
  5. Step 5: Solve for x
    x = 39,068,245,424.22/231,002.60
  6. Step 6: Final answer
    x = 169,124.70

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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.