Home / 143,886.27-198,563.18-80,222.79

Finding the Fourth Proportional to 143,886.27, 198,563.18 and 80,222.79

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Solution

The fourth proportional to 143,886.27, 198,563.18 and 80,222.79 is: 110,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,886.27 : 198,563.18 = 80,222.79 : x
  2. Step 2: Convert to fraction form
    143,886.27/198,563.18 = 80,222.79/x
  3. Step 3: Cross multiply
    143,886.27x = 198,563.18 × 80,222.79
  4. Step 4: Simplify right side
    143,886.27x = 15,929,291,889.76
  5. Step 5: Solve for x
    x = 15,929,291,889.76/143,886.27
  6. Step 6: Final answer
    x = 110,707.52

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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.