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Finding the Fourth Proportional to 169,487.71, 254,219.18 and 79,550.91

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Solution

The fourth proportional to 169,487.71, 254,219.18 and 79,550.91 is: 119,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,487.71 : 254,219.18 = 79,550.91 : x
  2. Step 2: Convert to fraction form
    169,487.71/254,219.18 = 79,550.91/x
  3. Step 3: Cross multiply
    169,487.71x = 254,219.18 × 79,550.91
  4. Step 4: Simplify right side
    169,487.71x = 20,223,366,710.70
  5. Step 5: Solve for x
    x = 20,223,366,710.70/169,487.71
  6. Step 6: Final answer
    x = 119,320.55

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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.