Home / 170,150.20-254,966.10-143,711.80

Finding the Fourth Proportional to 170,150.20, 254,966.10 and 143,711.80

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Solution

The fourth proportional to 170,150.20, 254,966.10 and 143,711.80 is: 215,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,150.20 : 254,966.10 = 143,711.80 : x
  2. Step 2: Convert to fraction form
    170,150.20/254,966.10 = 143,711.80/x
  3. Step 3: Cross multiply
    170,150.20x = 254,966.10 × 143,711.80
  4. Step 4: Simplify right side
    170,150.20x = 36,641,637,169.98
  5. Step 5: Solve for x
    x = 36,641,637,169.98/170,150.20
  6. Step 6: Final answer
    x = 215,348.78

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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.