Home / 106,319.05-159,314.55-92,212.90

Finding the Fourth Proportional to 106,319.05, 159,314.55 and 92,212.90

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Solution

The fourth proportional to 106,319.05, 159,314.55 and 92,212.90 is: 138,177.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,319.05 : 159,314.55 = 92,212.90 : x
  2. Step 2: Convert to fraction form
    106,319.05/159,314.55 = 92,212.90/x
  3. Step 3: Cross multiply
    106,319.05x = 159,314.55 × 92,212.90
  4. Step 4: Simplify right side
    106,319.05x = 14,690,856,667.70
  5. Step 5: Solve for x
    x = 14,690,856,667.70/106,319.05
  6. Step 6: Final answer
    x = 138,177.09

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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.