Home / 221,526.31-305,731.92-126,047.97

Finding the Fourth Proportional to 221,526.31, 305,731.92 and 126,047.97

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Solution

The fourth proportional to 221,526.31, 305,731.92 and 126,047.97 is: 173,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,526.31 : 305,731.92 = 126,047.97 : x
  2. Step 2: Convert to fraction form
    221,526.31/305,731.92 = 126,047.97/x
  3. Step 3: Cross multiply
    221,526.31x = 305,731.92 × 126,047.97
  4. Step 4: Simplify right side
    221,526.31x = 38,536,887,880.20
  5. Step 5: Solve for x
    x = 38,536,887,880.20/221,526.31
  6. Step 6: Final answer
    x = 173,960.77

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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.