Home / 225,631.08-338,335.56-92,475.12

Finding the Fourth Proportional to 225,631.08, 338,335.56 and 92,475.12

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Solution

The fourth proportional to 225,631.08, 338,335.56 and 92,475.12 is: 138,667.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,631.08 : 338,335.56 = 92,475.12 : x
  2. Step 2: Convert to fraction form
    225,631.08/338,335.56 = 92,475.12/x
  3. Step 3: Cross multiply
    225,631.08x = 338,335.56 × 92,475.12
  4. Step 4: Simplify right side
    225,631.08x = 31,287,621,511.27
  5. Step 5: Solve for x
    x = 31,287,621,511.27/225,631.08
  6. Step 6: Final answer
    x = 138,667.16

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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.