Home / 231,731.40-347,652.60-96,720.40

Finding the Fourth Proportional to 231,731.40, 347,652.60 and 96,720.40

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Solution

The fourth proportional to 231,731.40, 347,652.60 and 96,720.40 is: 145,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,731.40 : 347,652.60 = 96,720.40 : x
  2. Step 2: Convert to fraction form
    231,731.40/347,652.60 = 96,720.40/x
  3. Step 3: Cross multiply
    231,731.40x = 347,652.60 × 96,720.40
  4. Step 4: Simplify right side
    231,731.40x = 33,625,098,533.04
  5. Step 5: Solve for x
    x = 33,625,098,533.04/231,731.40
  6. Step 6: Final answer
    x = 145,103.76

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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.