Home / 140,822.40-211,310.40-57,724.80

Finding the Fourth Proportional to 140,822.40, 211,310.40 and 57,724.80

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Solution

The fourth proportional to 140,822.40, 211,310.40 and 57,724.80 is: 86,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,822.40 : 211,310.40 = 57,724.80 : x
  2. Step 2: Convert to fraction form
    140,822.40/211,310.40 = 57,724.80/x
  3. Step 3: Cross multiply
    140,822.40x = 211,310.40 × 57,724.80
  4. Step 4: Simplify right side
    140,822.40x = 12,197,850,577.92
  5. Step 5: Solve for x
    x = 12,197,850,577.92/140,822.40
  6. Step 6: Final answer
    x = 86,618.68

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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.