Home / 140,979.09-211,320.14-56,799.03

Finding the Fourth Proportional to 140,979.09, 211,320.14 and 56,799.03

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Solution

The fourth proportional to 140,979.09, 211,320.14 and 56,799.03 is: 85,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,979.09 : 211,320.14 = 56,799.03 : x
  2. Step 2: Convert to fraction form
    140,979.09/211,320.14 = 56,799.03/x
  3. Step 3: Cross multiply
    140,979.09x = 211,320.14 × 56,799.03
  4. Step 4: Simplify right side
    140,979.09x = 12,002,778,687.47
  5. Step 5: Solve for x
    x = 12,002,778,687.47/140,979.09
  6. Step 6: Final answer
    x = 85,138.72

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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.