Home / 143,723.67-198,325.80-80,060.10

Finding the Fourth Proportional to 143,723.67, 198,325.80 and 80,060.10

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Solution

The fourth proportional to 143,723.67, 198,325.80 and 80,060.10 is: 110,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,723.67 : 198,325.80 = 80,060.10 : x
  2. Step 2: Convert to fraction form
    143,723.67/198,325.80 = 80,060.10/x
  3. Step 3: Cross multiply
    143,723.67x = 198,325.80 × 80,060.10
  4. Step 4: Simplify right side
    143,723.67x = 15,877,983,380.58
  5. Step 5: Solve for x
    x = 15,877,983,380.58/143,723.67
  6. Step 6: Final answer
    x = 110,475.77

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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.