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Finding the Fourth Proportional to 158,159.46, 218,505.23 and 132,620.78

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Solution

The fourth proportional to 158,159.46, 218,505.23 and 132,620.78 is: 183,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,159.46 : 218,505.23 = 132,620.78 : x
  2. Step 2: Convert to fraction form
    158,159.46/218,505.23 = 132,620.78/x
  3. Step 3: Cross multiply
    158,159.46x = 218,505.23 × 132,620.78
  4. Step 4: Simplify right side
    158,159.46x = 28,978,332,281.05
  5. Step 5: Solve for x
    x = 28,978,332,281.05/158,159.46
  6. Step 6: Final answer
    x = 183,222.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.