Home / 136,520.74-204,766.56-47,775.94

Finding the Fourth Proportional to 136,520.74, 204,766.56 and 47,775.94

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Solution

The fourth proportional to 136,520.74, 204,766.56 and 47,775.94 is: 71,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,520.74 : 204,766.56 = 47,775.94 : x
  2. Step 2: Convert to fraction form
    136,520.74/204,766.56 = 47,775.94/x
  3. Step 3: Cross multiply
    136,520.74x = 204,766.56 × 47,775.94
  4. Step 4: Simplify right side
    136,520.74x = 9,782,914,884.57
  5. Step 5: Solve for x
    x = 9,782,914,884.57/136,520.74
  6. Step 6: Final answer
    x = 71,658.82

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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.