Home / 123,589.23-170,561.88-69,874.76

Finding the Fourth Proportional to 123,589.23, 170,561.88 and 69,874.76

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Solution

The fourth proportional to 123,589.23, 170,561.88 and 69,874.76 is: 96,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,589.23 : 170,561.88 = 69,874.76 : x
  2. Step 2: Convert to fraction form
    123,589.23/170,561.88 = 69,874.76/x
  3. Step 3: Cross multiply
    123,589.23x = 170,561.88 × 69,874.76
  4. Step 4: Simplify right side
    123,589.23x = 11,917,969,577.34
  5. Step 5: Solve for x
    x = 11,917,969,577.34/123,589.23
  6. Step 6: Final answer
    x = 96,432.10

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1.5x scale

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.