Home / 215,251.06-322,879.70-75,009.69

Finding the Fourth Proportional to 215,251.06, 322,879.70 and 75,009.69

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Solution

The fourth proportional to 215,251.06, 322,879.70 and 75,009.69 is: 112,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,251.06 : 322,879.70 = 75,009.69 : x
  2. Step 2: Convert to fraction form
    215,251.06/322,879.70 = 75,009.69/x
  3. Step 3: Cross multiply
    215,251.06x = 322,879.70 × 75,009.69
  4. Step 4: Simplify right side
    215,251.06x = 24,219,106,204.29
  5. Step 5: Solve for x
    x = 24,219,106,204.29/215,251.06
  6. Step 6: Final answer
    x = 112,515.62

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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.