Home / 113,257.44-156,299.34-64,868.22

Finding the Fourth Proportional to 113,257.44, 156,299.34 and 64,868.22

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Solution

The fourth proportional to 113,257.44, 156,299.34 and 64,868.22 is: 89,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,257.44 : 156,299.34 = 64,868.22 : x
  2. Step 2: Convert to fraction form
    113,257.44/156,299.34 = 64,868.22/x
  3. Step 3: Cross multiply
    113,257.44x = 156,299.34 × 64,868.22
  4. Step 4: Simplify right side
    113,257.44x = 10,138,859,972.97
  5. Step 5: Solve for x
    x = 10,138,859,972.97/113,257.44
  6. Step 6: Final answer
    x = 89,520.48

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1.5x scale

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.