Home / 123,577.03-170,535.45-69,861.97

Finding the Fourth Proportional to 123,577.03, 170,535.45 and 69,861.97

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Solution

The fourth proportional to 123,577.03, 170,535.45 and 69,861.97 is: 96,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,577.03 : 170,535.45 = 69,861.97 : x
  2. Step 2: Convert to fraction form
    123,577.03/170,535.45 = 69,861.97/x
  3. Step 3: Cross multiply
    123,577.03x = 170,535.45 × 69,861.97
  4. Step 4: Simplify right side
    123,577.03x = 11,913,942,491.84
  5. Step 5: Solve for x
    x = 11,913,942,491.84/123,577.03
  6. Step 6: Final answer
    x = 96,409.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.