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Finding the Fourth Proportional to 169,700.20, 254,550.30 and 143,456.20

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Solution

The fourth proportional to 169,700.20, 254,550.30 and 143,456.20 is: 215,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,700.20 : 254,550.30 = 143,456.20 : x
  2. Step 2: Convert to fraction form
    169,700.20/254,550.30 = 143,456.20/x
  3. Step 3: Cross multiply
    169,700.20x = 254,550.30 × 143,456.20
  4. Step 4: Simplify right side
    169,700.20x = 36,516,818,746.86
  5. Step 5: Solve for x
    x = 36,516,818,746.86/169,700.20
  6. Step 6: Final answer
    x = 215,184.30

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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.