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Finding the Fourth Proportional to 143,866.60, 215,825.84 and 44,024.92

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Solution

The fourth proportional to 143,866.60, 215,825.84 and 44,024.92 is: 66,045.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,866.60 : 215,825.84 = 44,024.92 : x
  2. Step 2: Convert to fraction form
    143,866.60/215,825.84 = 44,024.92/x
  3. Step 3: Cross multiply
    143,866.60x = 215,825.84 × 44,024.92
  4. Step 4: Simplify right side
    143,866.60x = 9,501,715,339.93
  5. Step 5: Solve for x
    x = 9,501,715,339.93/143,866.60
  6. Step 6: Final answer
    x = 66,045.32

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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.