Home / 221,025.96-305,006.04-125,531.28

Finding the Fourth Proportional to 221,025.96, 305,006.04 and 125,531.28

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Solution

The fourth proportional to 221,025.96, 305,006.04 and 125,531.28 is: 173,227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,025.96 : 305,006.04 = 125,531.28 : x
  2. Step 2: Convert to fraction form
    221,025.96/305,006.04 = 125,531.28/x
  3. Step 3: Cross multiply
    221,025.96x = 305,006.04 × 125,531.28
  4. Step 4: Simplify right side
    221,025.96x = 38,287,798,608.93
  5. Step 5: Solve for x
    x = 38,287,798,608.93/221,025.96
  6. Step 6: Final answer
    x = 173,227.61

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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.