Home / 136,223.13-204,367.52-42,728.88

Finding the Fourth Proportional to 136,223.13, 204,367.52 and 42,728.88

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Solution

The fourth proportional to 136,223.13, 204,367.52 and 42,728.88 is: 64,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,223.13 : 204,367.52 = 42,728.88 : x
  2. Step 2: Convert to fraction form
    136,223.13/204,367.52 = 42,728.88/x
  3. Step 3: Cross multiply
    136,223.13x = 204,367.52 × 42,728.88
  4. Step 4: Simplify right side
    136,223.13x = 8,732,395,237.98
  5. Step 5: Solve for x
    x = 8,732,395,237.98/136,223.13
  6. Step 6: Final answer
    x = 64,103.62

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1.5x scale

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.