Home / 113,297.22-156,346.79-62,309.88

Finding the Fourth Proportional to 113,297.22, 156,346.79 and 62,309.88

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Solution

The fourth proportional to 113,297.22, 156,346.79 and 62,309.88 is: 85,985.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,297.22 : 156,346.79 = 62,309.88 : x
  2. Step 2: Convert to fraction form
    113,297.22/156,346.79 = 62,309.88/x
  3. Step 3: Cross multiply
    113,297.22x = 156,346.79 × 62,309.88
  4. Step 4: Simplify right side
    113,297.22x = 9,741,949,723.29
  5. Step 5: Solve for x
    x = 9,741,949,723.29/113,297.22
  6. Step 6: Final answer
    x = 85,985.78

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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.