Home / 140,824.90-211,314.15-57,727.30

Finding the Fourth Proportional to 140,824.90, 211,314.15 and 57,727.30

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Solution

The fourth proportional to 140,824.90, 211,314.15 and 57,727.30 is: 86,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,824.90 : 211,314.15 = 57,727.30 : x
  2. Step 2: Convert to fraction form
    140,824.90/211,314.15 = 57,727.30/x
  3. Step 3: Cross multiply
    140,824.90x = 211,314.15 × 57,727.30
  4. Step 4: Simplify right side
    140,824.90x = 12,198,595,331.30
  5. Step 5: Solve for x
    x = 12,198,595,331.30/140,824.90
  6. Step 6: Final answer
    x = 86,622.43

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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.