Home / 100,772.29-151,216.85-50,856.29

Finding the Fourth Proportional to 100,772.29, 151,216.85 and 50,856.29

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Solution

The fourth proportional to 100,772.29, 151,216.85 and 50,856.29 is: 76,313.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,772.29 : 151,216.85 = 50,856.29 : x
  2. Step 2: Convert to fraction form
    100,772.29/151,216.85 = 50,856.29/x
  3. Step 3: Cross multiply
    100,772.29x = 151,216.85 × 50,856.29
  4. Step 4: Simplify right side
    100,772.29x = 7,690,327,976.49
  5. Step 5: Solve for x
    x = 7,690,327,976.49/100,772.29
  6. Step 6: Final answer
    x = 76,313.92

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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.