Home / 144,500.20-217,211.10-136,205.80

Finding the Fourth Proportional to 144,500.20, 217,211.10 and 136,205.80

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Solution

The fourth proportional to 144,500.20, 217,211.10 and 136,205.80 is: 204,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,500.20 : 217,211.10 = 136,205.80 : x
  2. Step 2: Convert to fraction form
    144,500.20/217,211.10 = 136,205.80/x
  3. Step 3: Cross multiply
    144,500.20x = 217,211.10 × 136,205.80
  4. Step 4: Simplify right side
    144,500.20x = 29,585,411,644.38
  5. Step 5: Solve for x
    x = 29,585,411,644.38/144,500.20
  6. Step 6: Final answer
    x = 204,743.05

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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.