Home / 136,289.52-204,360.12-47,519.28

Finding the Fourth Proportional to 136,289.52, 204,360.12 and 47,519.28

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Solution

The fourth proportional to 136,289.52, 204,360.12 and 47,519.28 is: 71,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,289.52 : 204,360.12 = 47,519.28 : x
  2. Step 2: Convert to fraction form
    136,289.52/204,360.12 = 47,519.28/x
  3. Step 3: Cross multiply
    136,289.52x = 204,360.12 × 47,519.28
  4. Step 4: Simplify right side
    136,289.52x = 9,711,045,763.11
  5. Step 5: Solve for x
    x = 9,711,045,763.11/136,289.52
  6. Step 6: Final answer
    x = 71,253.06

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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.