Home / 221,104.26-305,124.90-125,616.18

Finding the Fourth Proportional to 221,104.26, 305,124.90 and 125,616.18

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Solution

The fourth proportional to 221,104.26, 305,124.90 and 125,616.18 is: 173,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,104.26 : 305,124.90 = 125,616.18 : x
  2. Step 2: Convert to fraction form
    221,104.26/305,124.90 = 125,616.18/x
  3. Step 3: Cross multiply
    221,104.26x = 305,124.90 × 125,616.18
  4. Step 4: Simplify right side
    221,104.26x = 38,328,624,360.88
  5. Step 5: Solve for x
    x = 38,328,624,360.88/221,104.26
  6. Step 6: Final answer
    x = 173,350.91

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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.