Home / 212,677.59-319,062.15-106,118.85

Finding the Fourth Proportional to 212,677.59, 319,062.15 and 106,118.85

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Solution

The fourth proportional to 212,677.59, 319,062.15 and 106,118.85 is: 159,201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,677.59 : 319,062.15 = 106,118.85 : x
  2. Step 2: Convert to fraction form
    212,677.59/319,062.15 = 106,118.85/x
  3. Step 3: Cross multiply
    212,677.59x = 319,062.15 × 106,118.85
  4. Step 4: Simplify right side
    212,677.59x = 33,858,508,436.53
  5. Step 5: Solve for x
    x = 33,858,508,436.53/212,677.59
  6. Step 6: Final answer
    x = 159,201.11

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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.