Home / 177,412.10-266,150.55-72,241.70

Finding the Fourth Proportional to 177,412.10, 266,150.55 and 72,241.70

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Solution

The fourth proportional to 177,412.10, 266,150.55 and 72,241.70 is: 108,375.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,412.10 : 266,150.55 = 72,241.70 : x
  2. Step 2: Convert to fraction form
    177,412.10/266,150.55 = 72,241.70/x
  3. Step 3: Cross multiply
    177,412.10x = 266,150.55 × 72,241.70
  4. Step 4: Simplify right side
    177,412.10x = 19,227,168,187.94
  5. Step 5: Solve for x
    x = 19,227,168,187.94/177,412.10
  6. Step 6: Final answer
    x = 108,375.74

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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.