Home / 143,849.68-198,604.80-92,885.20

Finding the Fourth Proportional to 143,849.68, 198,604.80 and 92,885.20

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Solution

The fourth proportional to 143,849.68, 198,604.80 and 92,885.20 is: 128,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,849.68 : 198,604.80 = 92,885.20 : x
  2. Step 2: Convert to fraction form
    143,849.68/198,604.80 = 92,885.20/x
  3. Step 3: Cross multiply
    143,849.68x = 198,604.80 × 92,885.20
  4. Step 4: Simplify right side
    143,849.68x = 18,447,446,568.96
  5. Step 5: Solve for x
    x = 18,447,446,568.96/143,849.68
  6. Step 6: Final answer
    x = 128,241.14

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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.