Home / 84,873.18-127,337.40-40,494.20

Finding the Fourth Proportional to 84,873.18, 127,337.40 and 40,494.20

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Solution

The fourth proportional to 84,873.18, 127,337.40 and 40,494.20 is: 60,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,873.18 : 127,337.40 = 40,494.20 : x
  2. Step 2: Convert to fraction form
    84,873.18/127,337.40 = 40,494.20/x
  3. Step 3: Cross multiply
    84,873.18x = 127,337.40 × 40,494.20
  4. Step 4: Simplify right side
    84,873.18x = 5,156,425,506.39
  5. Step 5: Solve for x
    x = 5,156,425,506.39/84,873.18
  6. Step 6: Final answer
    x = 60,754.48

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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.