Home / 215,156.02-322,744.56-82,011.46

Finding the Fourth Proportional to 215,156.02, 322,744.56 and 82,011.46

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Solution

The fourth proportional to 215,156.02, 322,744.56 and 82,011.46 is: 123,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,156.02 : 322,744.56 = 82,011.46 : x
  2. Step 2: Convert to fraction form
    215,156.02/322,744.56 = 82,011.46/x
  3. Step 3: Cross multiply
    215,156.02x = 322,744.56 × 82,011.46
  4. Step 4: Simplify right side
    215,156.02x = 26,468,752,572.66
  5. Step 5: Solve for x
    x = 26,468,752,572.66/215,156.02
  6. Step 6: Final answer
    x = 123,021.20

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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.