Home / 221,737.04-305,990.28-126,257.36

Finding the Fourth Proportional to 221,737.04, 305,990.28 and 126,257.36

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Solution

The fourth proportional to 221,737.04, 305,990.28 and 126,257.36 is: 174,231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,737.04 : 305,990.28 = 126,257.36 : x
  2. Step 2: Convert to fraction form
    221,737.04/305,990.28 = 126,257.36/x
  3. Step 3: Cross multiply
    221,737.04x = 305,990.28 × 126,257.36
  4. Step 4: Simplify right side
    221,737.04x = 38,633,524,938.46
  5. Step 5: Solve for x
    x = 38,633,524,938.46/221,737.04
  6. Step 6: Final answer
    x = 174,231.26

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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.