Home / 140,717.80-211,061.94-74,131.12

Finding the Fourth Proportional to 140,717.80, 211,061.94 and 74,131.12

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Solution

The fourth proportional to 140,717.80, 211,061.94 and 74,131.12 is: 111,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,717.80 : 211,061.94 = 74,131.12 : x
  2. Step 2: Convert to fraction form
    140,717.80/211,061.94 = 74,131.12/x
  3. Step 3: Cross multiply
    140,717.80x = 211,061.94 × 74,131.12
  4. Step 4: Simplify right side
    140,717.80x = 15,646,258,001.57
  5. Step 5: Solve for x
    x = 15,646,258,001.57/140,717.80
  6. Step 6: Final answer
    x = 111,188.90

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1.5x scale

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.