Home / 99,646.35-137,524.37-57,203.97

Finding the Fourth Proportional to 99,646.35, 137,524.37 and 57,203.97

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Solution

The fourth proportional to 99,646.35, 137,524.37 and 57,203.97 is: 78,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,646.35 : 137,524.37 = 57,203.97 : x
  2. Step 2: Convert to fraction form
    99,646.35/137,524.37 = 57,203.97/x
  3. Step 3: Cross multiply
    99,646.35x = 137,524.37 × 57,203.97
  4. Step 4: Simplify right side
    99,646.35x = 7,866,940,078.76
  5. Step 5: Solve for x
    x = 7,866,940,078.76/99,646.35
  6. Step 6: Final answer
    x = 78,948.60

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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.