Home / 132,921.38-199,402.02-42,934.04

Finding the Fourth Proportional to 132,921.38, 199,402.02 and 42,934.04

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Solution

The fourth proportional to 132,921.38, 199,402.02 and 42,934.04 is: 64,407.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,921.38 : 199,402.02 = 42,934.04 : x
  2. Step 2: Convert to fraction form
    132,921.38/199,402.02 = 42,934.04/x
  3. Step 3: Cross multiply
    132,921.38x = 199,402.02 × 42,934.04
  4. Step 4: Simplify right side
    132,921.38x = 8,561,134,302.76
  5. Step 5: Solve for x
    x = 8,561,134,302.76/132,921.38
  6. Step 6: Final answer
    x = 64,407.50

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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.