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Finding the Fourth Proportional to 143,853.95, 215,773.13 and 44,014.16

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Solution

The fourth proportional to 143,853.95, 215,773.13 and 44,014.16 is: 66,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,853.95 : 215,773.13 = 44,014.16 : x
  2. Step 2: Convert to fraction form
    143,853.95/215,773.13 = 44,014.16/x
  3. Step 3: Cross multiply
    143,853.95x = 215,773.13 × 44,014.16
  4. Step 4: Simplify right side
    143,853.95x = 9,497,073,067.52
  5. Step 5: Solve for x
    x = 9,497,073,067.52/143,853.95
  6. Step 6: Final answer
    x = 66,018.86

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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.