Home / 123,731.22-185,513.46-57,134.64

Finding the Fourth Proportional to 123,731.22, 185,513.46 and 57,134.64

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Solution

The fourth proportional to 123,731.22, 185,513.46 and 57,134.64 is: 85,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,731.22 : 185,513.46 = 57,134.64 : x
  2. Step 2: Convert to fraction form
    123,731.22/185,513.46 = 57,134.64/x
  3. Step 3: Cross multiply
    123,731.22x = 185,513.46 × 57,134.64
  4. Step 4: Simplify right side
    123,731.22x = 10,599,244,752.25
  5. Step 5: Solve for x
    x = 10,599,244,752.25/123,731.22
  6. Step 6: Final answer
    x = 85,663.46

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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.