Home / 97,839.22-134,958.45-64,687.31

Finding the Fourth Proportional to 97,839.22, 134,958.45 and 64,687.31

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Solution

The fourth proportional to 97,839.22, 134,958.45 and 64,687.31 is: 89,229.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,839.22 : 134,958.45 = 64,687.31 : x
  2. Step 2: Convert to fraction form
    97,839.22/134,958.45 = 64,687.31/x
  3. Step 3: Cross multiply
    97,839.22x = 134,958.45 × 64,687.31
  4. Step 4: Simplify right side
    97,839.22x = 8,730,099,388.49
  5. Step 5: Solve for x
    x = 8,730,099,388.49/97,839.22
  6. Step 6: Final answer
    x = 89,229.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.