Home / 215,159.70-322,444.30-136,132.46

Finding the Fourth Proportional to 215,159.70, 322,444.30 and 136,132.46

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Solution

The fourth proportional to 215,159.70, 322,444.30 and 136,132.46 is: 204,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,159.70 : 322,444.30 = 136,132.46 : x
  2. Step 2: Convert to fraction form
    215,159.70/322,444.30 = 136,132.46/x
  3. Step 3: Cross multiply
    215,159.70x = 322,444.30 × 136,132.46
  4. Step 4: Simplify right side
    215,159.70x = 43,895,134,625.54
  5. Step 5: Solve for x
    x = 43,895,134,625.54/215,159.70
  6. Step 6: Final answer
    x = 204,011.88

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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.