Home / 109,257.44-150,778.08-61,512.50

Finding the Fourth Proportional to 109,257.44, 150,778.08 and 61,512.50

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Solution

The fourth proportional to 109,257.44, 150,778.08 and 61,512.50 is: 84,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,257.44 : 150,778.08 = 61,512.50 : x
  2. Step 2: Convert to fraction form
    109,257.44/150,778.08 = 61,512.50/x
  3. Step 3: Cross multiply
    109,257.44x = 150,778.08 × 61,512.50
  4. Step 4: Simplify right side
    109,257.44x = 9,274,735,892.11
  5. Step 5: Solve for x
    x = 9,274,735,892.11/109,257.44
  6. Step 6: Final answer
    x = 84,888.83

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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.