Home / 169,919.12-254,862.23-51,591.49

Finding the Fourth Proportional to 169,919.12, 254,862.23 and 51,591.49

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Solution

The fourth proportional to 169,919.12, 254,862.23 and 51,591.49 is: 77,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,919.12 : 254,862.23 = 51,591.49 : x
  2. Step 2: Convert to fraction form
    169,919.12/254,862.23 = 51,591.49/x
  3. Step 3: Cross multiply
    169,919.12x = 254,862.23 × 51,591.49
  4. Step 4: Simplify right side
    169,919.12x = 13,148,722,190.42
  5. Step 5: Solve for x
    x = 13,148,722,190.42/169,919.12
  6. Step 6: Final answer
    x = 77,382.24

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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.