Home / 278,158.32-417,233.16-111,942

Finding the Fourth Proportional to 278,158.32, 417,233.16 and 111,942

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Solution

The fourth proportional to 278,158.32, 417,233.16 and 111,942 is: 167,911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,158.32 : 417,233.16 = 111,942 : x
  2. Step 2: Convert to fraction form
    278,158.32/417,233.16 = 111,942/x
  3. Step 3: Cross multiply
    278,158.32x = 417,233.16 × 111,942
  4. Step 4: Simplify right side
    278,158.32x = 46,705,914,396.72
  5. Step 5: Solve for x
    x = 46,705,914,396.72/278,158.32
  6. Step 6: Final answer
    x = 167,911.26

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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.