Home / 132,945.60-199,418.40-123,614.40

Finding the Fourth Proportional to 132,945.60, 199,418.40 and 123,614.40

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Solution

The fourth proportional to 132,945.60, 199,418.40 and 123,614.40 is: 185,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,945.60 : 199,418.40 = 123,614.40 : x
  2. Step 2: Convert to fraction form
    132,945.60/199,418.40 = 123,614.40/x
  3. Step 3: Cross multiply
    132,945.60x = 199,418.40 × 123,614.40
  4. Step 4: Simplify right side
    132,945.60x = 24,650,985,864.96
  5. Step 5: Solve for x
    x = 24,650,985,864.96/132,945.60
  6. Step 6: Final answer
    x = 185,421.60

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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.