Home / 136,715.30-204,927.15-52,442.90

Finding the Fourth Proportional to 136,715.30, 204,927.15 and 52,442.90

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Solution

The fourth proportional to 136,715.30, 204,927.15 and 52,442.90 is: 78,608.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,715.30 : 204,927.15 = 52,442.90 : x
  2. Step 2: Convert to fraction form
    136,715.30/204,927.15 = 52,442.90/x
  3. Step 3: Cross multiply
    136,715.30x = 204,927.15 × 52,442.90
  4. Step 4: Simplify right side
    136,715.30x = 10,746,974,034.74
  5. Step 5: Solve for x
    x = 10,746,974,034.74/136,715.30
  6. Step 6: Final answer
    x = 78,608.42

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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.