Home / 108,233.85-162,173.30-76,488.87

Finding the Fourth Proportional to 108,233.85, 162,173.30 and 76,488.87

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Solution

The fourth proportional to 108,233.85, 162,173.30 and 76,488.87 is: 114,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,233.85 : 162,173.30 = 76,488.87 : x
  2. Step 2: Convert to fraction form
    108,233.85/162,173.30 = 76,488.87/x
  3. Step 3: Cross multiply
    108,233.85x = 162,173.30 × 76,488.87
  4. Step 4: Simplify right side
    108,233.85x = 12,404,451,533.66
  5. Step 5: Solve for x
    x = 12,404,451,533.66/108,233.85
  6. Step 6: Final answer
    x = 114,607.87

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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.