Home / 169,456.08-254,171.70-69,589.20

Finding the Fourth Proportional to 169,456.08, 254,171.70 and 69,589.20

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Solution

The fourth proportional to 169,456.08, 254,171.70 and 69,589.20 is: 104,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,456.08 : 254,171.70 = 69,589.20 : x
  2. Step 2: Convert to fraction form
    169,456.08/254,171.70 = 69,589.20/x
  3. Step 3: Cross multiply
    169,456.08x = 254,171.70 × 69,589.20
  4. Step 4: Simplify right side
    169,456.08x = 17,687,605,265.64
  5. Step 5: Solve for x
    x = 17,687,605,265.64/169,456.08
  6. Step 6: Final answer
    x = 104,378.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.