Home / 177,485.50-266,267.13-66,677.50

Finding the Fourth Proportional to 177,485.50, 266,267.13 and 66,677.50

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Solution

The fourth proportional to 177,485.50, 266,267.13 and 66,677.50 is: 100,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,485.50 : 266,267.13 = 66,677.50 : x
  2. Step 2: Convert to fraction form
    177,485.50/266,267.13 = 66,677.50/x
  3. Step 3: Cross multiply
    177,485.50x = 266,267.13 × 66,677.50
  4. Step 4: Simplify right side
    177,485.50x = 17,754,026,560.58
  5. Step 5: Solve for x
    x = 17,754,026,560.58/177,485.50
  6. Step 6: Final answer
    x = 100,030.86

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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.