Home / 221,972.88-306,247.61-126,411.91

Finding the Fourth Proportional to 221,972.88, 306,247.61 and 126,411.91

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Solution

The fourth proportional to 221,972.88, 306,247.61 and 126,411.91 is: 174,405.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,972.88 : 306,247.61 = 126,411.91 : x
  2. Step 2: Convert to fraction form
    221,972.88/306,247.61 = 126,411.91/x
  3. Step 3: Cross multiply
    221,972.88x = 306,247.61 × 126,411.91
  4. Step 4: Simplify right side
    221,972.88x = 38,713,346,552.70
  5. Step 5: Solve for x
    x = 38,713,346,552.70/221,972.88
  6. Step 6: Final answer
    x = 174,405.75

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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.