Home / 136,239.60-204,151.20-57,310.56

Finding the Fourth Proportional to 136,239.60, 204,151.20 and 57,310.56

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Solution

The fourth proportional to 136,239.60, 204,151.20 and 57,310.56 is: 85,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,239.60 : 204,151.20 = 57,310.56 : x
  2. Step 2: Convert to fraction form
    136,239.60/204,151.20 = 57,310.56/x
  3. Step 3: Cross multiply
    136,239.60x = 204,151.20 × 57,310.56
  4. Step 4: Simplify right side
    136,239.60x = 11,700,019,596.67
  5. Step 5: Solve for x
    x = 11,700,019,596.67/136,239.60
  6. Step 6: Final answer
    x = 85,878.26

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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.