Home / 144,472.20-216,708.30-109,480.20

Finding the Fourth Proportional to 144,472.20, 216,708.30 and 109,480.20

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Solution

The fourth proportional to 144,472.20, 216,708.30 and 109,480.20 is: 164,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,472.20 : 216,708.30 = 109,480.20 : x
  2. Step 2: Convert to fraction form
    144,472.20/216,708.30 = 109,480.20/x
  3. Step 3: Cross multiply
    144,472.20x = 216,708.30 × 109,480.20
  4. Step 4: Simplify right side
    144,472.20x = 23,725,268,025.66
  5. Step 5: Solve for x
    x = 23,725,268,025.66/144,472.20
  6. Step 6: Final answer
    x = 164,220.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.