Home / 143,525.52-198,120.33-107,819.10

Finding the Fourth Proportional to 143,525.52, 198,120.33 and 107,819.10

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Solution

The fourth proportional to 143,525.52, 198,120.33 and 107,819.10 is: 148,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,525.52 : 198,120.33 = 107,819.10 : x
  2. Step 2: Convert to fraction form
    143,525.52/198,120.33 = 107,819.10/x
  3. Step 3: Cross multiply
    143,525.52x = 198,120.33 × 107,819.10
  4. Step 4: Simplify right side
    143,525.52x = 21,361,155,672.30
  5. Step 5: Solve for x
    x = 21,361,155,672.30/143,525.52
  6. Step 6: Final answer
    x = 148,831.76

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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.