Home / 177,539.90-266,461.05-72,434.30

Finding the Fourth Proportional to 177,539.90, 266,461.05 and 72,434.30

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Solution

The fourth proportional to 177,539.90, 266,461.05 and 72,434.30 is: 108,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,539.90 : 266,461.05 = 72,434.30 : x
  2. Step 2: Convert to fraction form
    177,539.90/266,461.05 = 72,434.30/x
  3. Step 3: Cross multiply
    177,539.90x = 266,461.05 × 72,434.30
  4. Step 4: Simplify right side
    177,539.90x = 19,300,919,634.02
  5. Step 5: Solve for x
    x = 19,300,919,634.02/177,539.90
  6. Step 6: Final answer
    x = 108,713.14

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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.