Home / 132,402.20-198,603.30-73,207.40

Finding the Fourth Proportional to 132,402.20, 198,603.30 and 73,207.40

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Solution

The fourth proportional to 132,402.20, 198,603.30 and 73,207.40 is: 109,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,402.20 : 198,603.30 = 73,207.40 : x
  2. Step 2: Convert to fraction form
    132,402.20/198,603.30 = 73,207.40/x
  3. Step 3: Cross multiply
    132,402.20x = 198,603.30 × 73,207.40
  4. Step 4: Simplify right side
    132,402.20x = 14,539,231,224.42
  5. Step 5: Solve for x
    x = 14,539,231,224.42/132,402.20
  6. Step 6: Final answer
    x = 109,811.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.