Home / 342,600.12-513,949.32-105,961.14

Finding the Fourth Proportional to 342,600.12, 513,949.32 and 105,961.14

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Solution

The fourth proportional to 342,600.12, 513,949.32 and 105,961.14 is: 158,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,600.12 : 513,949.32 = 105,961.14 : x
  2. Step 2: Convert to fraction form
    342,600.12/513,949.32 = 105,961.14/x
  3. Step 3: Cross multiply
    342,600.12x = 513,949.32 × 105,961.14
  4. Step 4: Simplify right side
    342,600.12x = 54,458,655,849.42
  5. Step 5: Solve for x
    x = 54,458,655,849.42/342,600.12
  6. Step 6: Final answer
    x = 158,956.91

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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.