Home / 234,037.92-351,081.60-76,278.72

Finding the Fourth Proportional to 234,037.92, 351,081.60 and 76,278.72

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Solution

The fourth proportional to 234,037.92, 351,081.60 and 76,278.72 is: 114,426.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,037.92 : 351,081.60 = 76,278.72 : x
  2. Step 2: Convert to fraction form
    234,037.92/351,081.60 = 76,278.72/x
  3. Step 3: Cross multiply
    234,037.92x = 351,081.60 × 76,278.72
  4. Step 4: Simplify right side
    234,037.92x = 26,780,055,063.55
  5. Step 5: Solve for x
    x = 26,780,055,063.55/234,037.92
  6. Step 6: Final answer
    x = 114,426.14

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1.5x scale

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.