Home / 123,566.16-170,521.92-66,977.04

Finding the Fourth Proportional to 123,566.16, 170,521.92 and 66,977.04

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Solution

The fourth proportional to 123,566.16, 170,521.92 and 66,977.04 is: 92,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,566.16 : 170,521.92 = 66,977.04 : x
  2. Step 2: Convert to fraction form
    123,566.16/170,521.92 = 66,977.04/x
  3. Step 3: Cross multiply
    123,566.16x = 170,521.92 × 66,977.04
  4. Step 4: Simplify right side
    123,566.16x = 11,421,053,456.72
  5. Step 5: Solve for x
    x = 11,421,053,456.72/123,566.16
  6. Step 6: Final answer
    x = 92,428.65

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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.