Home / 170,870.20-256,046.10-144,431.80

Finding the Fourth Proportional to 170,870.20, 256,046.10 and 144,431.80

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Solution

The fourth proportional to 170,870.20, 256,046.10 and 144,431.80 is: 216,428.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,870.20 : 256,046.10 = 144,431.80 : x
  2. Step 2: Convert to fraction form
    170,870.20/256,046.10 = 144,431.80/x
  3. Step 3: Cross multiply
    170,870.20x = 256,046.10 × 144,431.80
  4. Step 4: Simplify right side
    170,870.20x = 36,981,199,105.98
  5. Step 5: Solve for x
    x = 36,981,199,105.98/170,870.20
  6. Step 6: Final answer
    x = 216,428.61

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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.