Home / 123,444.29-170,356.61-69,731.57

Finding the Fourth Proportional to 123,444.29, 170,356.61 and 69,731.57

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Solution

The fourth proportional to 123,444.29, 170,356.61 and 69,731.57 is: 96,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,444.29 : 170,356.61 = 69,731.57 : x
  2. Step 2: Convert to fraction form
    123,444.29/170,356.61 = 69,731.57/x
  3. Step 3: Cross multiply
    123,444.29x = 170,356.61 × 69,731.57
  4. Step 4: Simplify right side
    123,444.29x = 11,879,233,197.72
  5. Step 5: Solve for x
    x = 11,879,233,197.72/123,444.29
  6. Step 6: Final answer
    x = 96,231.54

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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.