Home / 283,721.45-425,436.35-84,016.76

Finding the Fourth Proportional to 283,721.45, 425,436.35 and 84,016.76

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Solution

The fourth proportional to 283,721.45, 425,436.35 and 84,016.76 is: 125,981.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,721.45 : 425,436.35 = 84,016.76 : x
  2. Step 2: Convert to fraction form
    283,721.45/425,436.35 = 84,016.76/x
  3. Step 3: Cross multiply
    283,721.45x = 425,436.35 × 84,016.76
  4. Step 4: Simplify right side
    283,721.45x = 35,743,781,165.96
  5. Step 5: Solve for x
    x = 35,743,781,165.96/283,721.45
  6. Step 6: Final answer
    x = 125,981.95

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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.