Home / 129,800.20-194,700.30-94,370.80

Finding the Fourth Proportional to 129,800.20, 194,700.30 and 94,370.80

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Solution

The fourth proportional to 129,800.20, 194,700.30 and 94,370.80 is: 141,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,800.20 : 194,700.30 = 94,370.80 : x
  2. Step 2: Convert to fraction form
    129,800.20/194,700.30 = 94,370.80/x
  3. Step 3: Cross multiply
    129,800.20x = 194,700.30 × 94,370.80
  4. Step 4: Simplify right side
    129,800.20x = 18,374,023,071.24
  5. Step 5: Solve for x
    x = 18,374,023,071.24/129,800.20
  6. Step 6: Final answer
    x = 141,556.20

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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.