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Finding the Fourth Proportional to 183,807.88, 275,710.80 and 71,566.18

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Solution

The fourth proportional to 183,807.88, 275,710.80 and 71,566.18 is: 107,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,807.88 : 275,710.80 = 71,566.18 : x
  2. Step 2: Convert to fraction form
    183,807.88/275,710.80 = 71,566.18/x
  3. Step 3: Cross multiply
    183,807.88x = 275,710.80 × 71,566.18
  4. Step 4: Simplify right side
    183,807.88x = 19,731,568,319.84
  5. Step 5: Solve for x
    x = 19,731,568,319.84/183,807.88
  6. Step 6: Final answer
    x = 107,348.87

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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.