Home / 123,352.23-170,236.17-69,641.55

Finding the Fourth Proportional to 123,352.23, 170,236.17 and 69,641.55

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Solution

The fourth proportional to 123,352.23, 170,236.17 and 69,641.55 is: 96,111.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,352.23 : 170,236.17 = 69,641.55 : x
  2. Step 2: Convert to fraction form
    123,352.23/170,236.17 = 69,641.55/x
  3. Step 3: Cross multiply
    123,352.23x = 170,236.17 × 69,641.55
  4. Step 4: Simplify right side
    123,352.23x = 11,855,510,744.86
  5. Step 5: Solve for x
    x = 11,855,510,744.86/123,352.23
  6. Step 6: Final answer
    x = 96,111.04

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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.