Home / 177,443.40-266,165.10-72,337.80

Finding the Fourth Proportional to 177,443.40, 266,165.10 and 72,337.80

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Solution

The fourth proportional to 177,443.40, 266,165.10 and 72,337.80 is: 108,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,443.40 : 266,165.10 = 72,337.80 : x
  2. Step 2: Convert to fraction form
    177,443.40/266,165.10 = 72,337.80/x
  3. Step 3: Cross multiply
    177,443.40x = 266,165.10 × 72,337.80
  4. Step 4: Simplify right side
    177,443.40x = 19,253,797,770.78
  5. Step 5: Solve for x
    x = 19,253,797,770.78/177,443.40
  6. Step 6: Final answer
    x = 108,506.70

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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.