Home / 143,554.41-198,103.16-79,892.19

Finding the Fourth Proportional to 143,554.41, 198,103.16 and 79,892.19

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Solution

The fourth proportional to 143,554.41, 198,103.16 and 79,892.19 is: 110,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,554.41 : 198,103.16 = 79,892.19 : x
  2. Step 2: Convert to fraction form
    143,554.41/198,103.16 = 79,892.19/x
  3. Step 3: Cross multiply
    143,554.41x = 198,103.16 × 79,892.19
  4. Step 4: Simplify right side
    143,554.41x = 15,826,895,298.32
  5. Step 5: Solve for x
    x = 15,826,895,298.32/143,554.41
  6. Step 6: Final answer
    x = 110,250.15

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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.