Home / 136,046.10-204,069.15-98,429.70

Finding the Fourth Proportional to 136,046.10, 204,069.15 and 98,429.70

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Solution

The fourth proportional to 136,046.10, 204,069.15 and 98,429.70 is: 147,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,046.10 : 204,069.15 = 98,429.70 : x
  2. Step 2: Convert to fraction form
    136,046.10/204,069.15 = 98,429.70/x
  3. Step 3: Cross multiply
    136,046.10x = 204,069.15 × 98,429.70
  4. Step 4: Simplify right side
    136,046.10x = 20,086,465,213.76
  5. Step 5: Solve for x
    x = 20,086,465,213.76/136,046.10
  6. Step 6: Final answer
    x = 147,644.55

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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.