Home / 143,480.28-198,009.18-119,566.92

Finding the Fourth Proportional to 143,480.28, 198,009.18 and 119,566.92

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Solution

The fourth proportional to 143,480.28, 198,009.18 and 119,566.92 is: 165,007.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,480.28 : 198,009.18 = 119,566.92 : x
  2. Step 2: Convert to fraction form
    143,480.28/198,009.18 = 119,566.92/x
  3. Step 3: Cross multiply
    143,480.28x = 198,009.18 × 119,566.92
  4. Step 4: Simplify right side
    143,480.28x = 23,675,347,784.33
  5. Step 5: Solve for x
    x = 23,675,347,784.33/143,480.28
  6. Step 6: Final answer
    x = 165,007.68

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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.