Home / 221,844.04-306,199.20-126,407.14

Finding the Fourth Proportional to 221,844.04, 306,199.20 and 126,407.14

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Solution

The fourth proportional to 221,844.04, 306,199.20 and 126,407.14 is: 174,472.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,844.04 : 306,199.20 = 126,407.14 : x
  2. Step 2: Convert to fraction form
    221,844.04/306,199.20 = 126,407.14/x
  3. Step 3: Cross multiply
    221,844.04x = 306,199.20 × 126,407.14
  4. Step 4: Simplify right side
    221,844.04x = 38,705,765,142.29
  5. Step 5: Solve for x
    x = 38,705,765,142.29/221,844.04
  6. Step 6: Final answer
    x = 174,472.86

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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.