Home / 212,016.46-318,023.07-54,244.66

Finding the Fourth Proportional to 212,016.46, 318,023.07 and 54,244.66

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Solution

The fourth proportional to 212,016.46, 318,023.07 and 54,244.66 is: 81,366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,016.46 : 318,023.07 = 54,244.66 : x
  2. Step 2: Convert to fraction form
    212,016.46/318,023.07 = 54,244.66/x
  3. Step 3: Cross multiply
    212,016.46x = 318,023.07 × 54,244.66
  4. Step 4: Simplify right side
    212,016.46x = 17,251,053,304.31
  5. Step 5: Solve for x
    x = 17,251,053,304.31/212,016.46
  6. Step 6: Final answer
    x = 81,366.58

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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.