Home / 221,844.22-306,161.04-126,350.89

Finding the Fourth Proportional to 221,844.22, 306,161.04 and 126,350.89

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Solution

The fourth proportional to 221,844.22, 306,161.04 and 126,350.89 is: 174,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,844.22 : 306,161.04 = 126,350.89 : x
  2. Step 2: Convert to fraction form
    221,844.22/306,161.04 = 126,350.89/x
  3. Step 3: Cross multiply
    221,844.22x = 306,161.04 × 126,350.89
  4. Step 4: Simplify right side
    221,844.22x = 38,683,719,240.38
  5. Step 5: Solve for x
    x = 38,683,719,240.38/221,844.22
  6. Step 6: Final answer
    x = 174,373.35

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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.