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Finding the Fourth Proportional to 144,568.96, 216,853.72 and 94,690.80

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Solution

The fourth proportional to 144,568.96, 216,853.72 and 94,690.80 is: 142,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,568.96 : 216,853.72 = 94,690.80 : x
  2. Step 2: Convert to fraction form
    144,568.96/216,853.72 = 94,690.80/x
  3. Step 3: Cross multiply
    144,568.96x = 216,853.72 × 94,690.80
  4. Step 4: Simplify right side
    144,568.96x = 20,534,052,229.78
  5. Step 5: Solve for x
    x = 20,534,052,229.78/144,568.96
  6. Step 6: Final answer
    x = 142,036.38

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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.