Home / 177,330.80-266,093.40-72,225.20

Finding the Fourth Proportional to 177,330.80, 266,093.40 and 72,225.20

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Solution

The fourth proportional to 177,330.80, 266,093.40 and 72,225.20 is: 108,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,330.80 : 266,093.40 = 72,225.20 : x
  2. Step 2: Convert to fraction form
    177,330.80/266,093.40 = 72,225.20/x
  3. Step 3: Cross multiply
    177,330.80x = 266,093.40 × 72,225.20
  4. Step 4: Simplify right side
    177,330.80x = 19,218,649,033.68
  5. Step 5: Solve for x
    x = 19,218,649,033.68/177,330.80
  6. Step 6: Final answer
    x = 108,377.39

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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.