Home / 170,146.20-255,219.30-143,902.20

Finding the Fourth Proportional to 170,146.20, 255,219.30 and 143,902.20

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Solution

The fourth proportional to 170,146.20, 255,219.30 and 143,902.20 is: 215,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,146.20 : 255,219.30 = 143,902.20 : x
  2. Step 2: Convert to fraction form
    170,146.20/255,219.30 = 143,902.20/x
  3. Step 3: Cross multiply
    170,146.20x = 255,219.30 × 143,902.20
  4. Step 4: Simplify right side
    170,146.20x = 36,726,618,752.46
  5. Step 5: Solve for x
    x = 36,726,618,752.46/170,146.20
  6. Step 6: Final answer
    x = 215,853.30

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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.