Home / 177,617.40-266,577.30-72,511.80

Finding the Fourth Proportional to 177,617.40, 266,577.30 and 72,511.80

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Solution

The fourth proportional to 177,617.40, 266,577.30 and 72,511.80 is: 108,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,617.40 : 266,577.30 = 72,511.80 : x
  2. Step 2: Convert to fraction form
    177,617.40/266,577.30 = 72,511.80/x
  3. Step 3: Cross multiply
    177,617.40x = 266,577.30 × 72,511.80
  4. Step 4: Simplify right side
    177,617.40x = 19,329,999,862.14
  5. Step 5: Solve for x
    x = 19,329,999,862.14/177,617.40
  6. Step 6: Final answer
    x = 108,829.43

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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.