Home / 221,279.50-332,250.54-126,616.42

Finding the Fourth Proportional to 221,279.50, 332,250.54 and 126,616.42

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Solution

The fourth proportional to 221,279.50, 332,250.54 and 126,616.42 is: 190,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,279.50 : 332,250.54 = 126,616.42 : x
  2. Step 2: Convert to fraction form
    221,279.50/332,250.54 = 126,616.42/x
  3. Step 3: Cross multiply
    221,279.50x = 332,250.54 × 126,616.42
  4. Step 4: Simplify right side
    221,279.50x = 42,068,373,917.87
  5. Step 5: Solve for x
    x = 42,068,373,917.87/221,279.50
  6. Step 6: Final answer
    x = 190,114.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.