Home / 99,891.77-137,848.34-54,569.94

Finding the Fourth Proportional to 99,891.77, 137,848.34 and 54,569.94

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Solution

The fourth proportional to 99,891.77, 137,848.34 and 54,569.94 is: 75,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,891.77 : 137,848.34 = 54,569.94 : x
  2. Step 2: Convert to fraction form
    99,891.77/137,848.34 = 54,569.94/x
  3. Step 3: Cross multiply
    99,891.77x = 137,848.34 × 54,569.94
  4. Step 4: Simplify right side
    99,891.77x = 7,522,375,370.05
  5. Step 5: Solve for x
    x = 7,522,375,370.05/99,891.77
  6. Step 6: Final answer
    x = 75,305.26

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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.