Home / 143,842.32-198,409.77-95,443.20

Finding the Fourth Proportional to 143,842.32, 198,409.77 and 95,443.20

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Solution

The fourth proportional to 143,842.32, 198,409.77 and 95,443.20 is: 131,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,842.32 : 198,409.77 = 95,443.20 : x
  2. Step 2: Convert to fraction form
    143,842.32/198,409.77 = 95,443.20/x
  3. Step 3: Cross multiply
    143,842.32x = 198,409.77 × 95,443.20
  4. Step 4: Simplify right side
    143,842.32x = 18,936,863,360.06
  5. Step 5: Solve for x
    x = 18,936,863,360.06/143,842.32
  6. Step 6: Final answer
    x = 131,650.15

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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.