Home / 153,822.62-230,732.96-82,778.72

Finding the Fourth Proportional to 153,822.62, 230,732.96 and 82,778.72

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Solution

The fourth proportional to 153,822.62, 230,732.96 and 82,778.72 is: 124,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,822.62 : 230,732.96 = 82,778.72 : x
  2. Step 2: Convert to fraction form
    153,822.62/230,732.96 = 82,778.72/x
  3. Step 3: Cross multiply
    153,822.62x = 230,732.96 × 82,778.72
  4. Step 4: Simplify right side
    153,822.62x = 19,099,779,090.61
  5. Step 5: Solve for x
    x = 19,099,779,090.61/153,822.62
  6. Step 6: Final answer
    x = 124,167.56

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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.