Home / 113,436.92-169,727.85-67,675.40

Finding the Fourth Proportional to 113,436.92, 169,727.85 and 67,675.40

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Solution

The fourth proportional to 113,436.92, 169,727.85 and 67,675.40 is: 101,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,436.92 : 169,727.85 = 67,675.40 : x
  2. Step 2: Convert to fraction form
    113,436.92/169,727.85 = 67,675.40/x
  3. Step 3: Cross multiply
    113,436.92x = 169,727.85 × 67,675.40
  4. Step 4: Simplify right side
    113,436.92x = 11,486,399,291.25
  5. Step 5: Solve for x
    x = 11,486,399,291.25/113,436.92
  6. Step 6: Final answer
    x = 101,258.04

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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.