Home / 99,891.07-137,847.39-54,569.24

Finding the Fourth Proportional to 99,891.07, 137,847.39 and 54,569.24

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Solution

The fourth proportional to 99,891.07, 137,847.39 and 54,569.24 is: 75,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,891.07 : 137,847.39 = 54,569.24 : x
  2. Step 2: Convert to fraction form
    99,891.07/137,847.39 = 54,569.24/x
  3. Step 3: Cross multiply
    99,891.07x = 137,847.39 × 54,569.24
  4. Step 4: Simplify right side
    99,891.07x = 7,522,228,167.16
  5. Step 5: Solve for x
    x = 7,522,228,167.16/99,891.07
  6. Step 6: Final answer
    x = 75,304.31

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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.