Home / 224,478.12-336,618.08-84,138.32

Finding the Fourth Proportional to 224,478.12, 336,618.08 and 84,138.32

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Solution

The fourth proportional to 224,478.12, 336,618.08 and 84,138.32 is: 126,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,478.12 : 336,618.08 = 84,138.32 : x
  2. Step 2: Convert to fraction form
    224,478.12/336,618.08 = 84,138.32/x
  3. Step 3: Cross multiply
    224,478.12x = 336,618.08 × 84,138.32
  4. Step 4: Simplify right side
    224,478.12x = 28,322,479,732.83
  5. Step 5: Solve for x
    x = 28,322,479,732.83/224,478.12
  6. Step 6: Final answer
    x = 126,170.34

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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.