Home / 136,229.64-204,344.28-42,742.68

Finding the Fourth Proportional to 136,229.64, 204,344.28 and 42,742.68

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Solution

The fourth proportional to 136,229.64, 204,344.28 and 42,742.68 is: 64,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,229.64 : 204,344.28 = 42,742.68 : x
  2. Step 2: Convert to fraction form
    136,229.64/204,344.28 = 42,742.68/x
  3. Step 3: Cross multiply
    136,229.64x = 204,344.28 × 42,742.68
  4. Step 4: Simplify right side
    136,229.64x = 8,734,222,169.87
  5. Step 5: Solve for x
    x = 8,734,222,169.87/136,229.64
  6. Step 6: Final answer
    x = 64,113.96

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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.