Home / 122,638.04-169,176.90-82,363.22

Finding the Fourth Proportional to 122,638.04, 169,176.90 and 82,363.22

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Solution

The fourth proportional to 122,638.04, 169,176.90 and 82,363.22 is: 113,618.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,638.04 : 169,176.90 = 82,363.22 : x
  2. Step 2: Convert to fraction form
    122,638.04/169,176.90 = 82,363.22/x
  3. Step 3: Cross multiply
    122,638.04x = 169,176.90 × 82,363.22
  4. Step 4: Simplify right side
    122,638.04x = 13,933,954,233.62
  5. Step 5: Solve for x
    x = 13,933,954,233.62/122,638.04
  6. Step 6: Final answer
    x = 113,618.53

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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.