Home / 155,278.06-214,350.24-106,947.79

Finding the Fourth Proportional to 155,278.06, 214,350.24 and 106,947.79

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Solution

The fourth proportional to 155,278.06, 214,350.24 and 106,947.79 is: 147,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,278.06 : 214,350.24 = 106,947.79 : x
  2. Step 2: Convert to fraction form
    155,278.06/214,350.24 = 106,947.79/x
  3. Step 3: Cross multiply
    155,278.06x = 214,350.24 × 106,947.79
  4. Step 4: Simplify right side
    155,278.06x = 22,924,284,453.97
  5. Step 5: Solve for x
    x = 22,924,284,453.97/155,278.06
  6. Step 6: Final answer
    x = 147,633.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.