Home / 143,565.20-198,096.36-79,901.36

Finding the Fourth Proportional to 143,565.20, 198,096.36 and 79,901.36

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Solution

The fourth proportional to 143,565.20, 198,096.36 and 79,901.36 is: 110,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,565.20 : 198,096.36 = 79,901.36 : x
  2. Step 2: Convert to fraction form
    143,565.20/198,096.36 = 79,901.36/x
  3. Step 3: Cross multiply
    143,565.20x = 198,096.36 × 79,901.36
  4. Step 4: Simplify right side
    143,565.20x = 15,828,168,575.05
  5. Step 5: Solve for x
    x = 15,828,168,575.05/143,565.20
  6. Step 6: Final answer
    x = 110,250.73

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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.