Home / 102,338.25-140,203.92-98,503.11

Finding the Fourth Proportional to 102,338.25, 140,203.92 and 98,503.11

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Solution

The fourth proportional to 102,338.25, 140,203.92 and 98,503.11 is: 134,949.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,338.25 : 140,203.92 = 98,503.11 : x
  2. Step 2: Convert to fraction form
    102,338.25/140,203.92 = 98,503.11/x
  3. Step 3: Cross multiply
    102,338.25x = 140,203.92 × 98,503.11
  4. Step 4: Simplify right side
    102,338.25x = 13,810,522,154.19
  5. Step 5: Solve for x
    x = 13,810,522,154.19/102,338.25
  6. Step 6: Final answer
    x = 134,949.76

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.