Home / 221,102.16-305,129.22-125,625.04

Finding the Fourth Proportional to 221,102.16, 305,129.22 and 125,625.04

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Solution

The fourth proportional to 221,102.16, 305,129.22 and 125,625.04 is: 173,367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,102.16 : 305,129.22 = 125,625.04 : x
  2. Step 2: Convert to fraction form
    221,102.16/305,129.22 = 125,625.04/x
  3. Step 3: Cross multiply
    221,102.16x = 305,129.22 × 125,625.04
  4. Step 4: Simplify right side
    221,102.16x = 38,331,870,467.67
  5. Step 5: Solve for x
    x = 38,331,870,467.67/221,102.16
  6. Step 6: Final answer
    x = 173,367.24

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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.