Home / 133,031.10-199,546.65-123,408.30

Finding the Fourth Proportional to 133,031.10, 199,546.65 and 123,408.30

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Solution

The fourth proportional to 133,031.10, 199,546.65 and 123,408.30 is: 185,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,031.10 : 199,546.65 = 123,408.30 : x
  2. Step 2: Convert to fraction form
    133,031.10/199,546.65 = 123,408.30/x
  3. Step 3: Cross multiply
    133,031.10x = 199,546.65 × 123,408.30
  4. Step 4: Simplify right side
    133,031.10x = 24,625,712,847.20
  5. Step 5: Solve for x
    x = 24,625,712,847.20/133,031.10
  6. Step 6: Final answer
    x = 185,112.45

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1.5x scale

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.