Home / 140,614.28-210,877.97-40,781.81

Finding the Fourth Proportional to 140,614.28, 210,877.97 and 40,781.81

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Solution

The fourth proportional to 140,614.28, 210,877.97 and 40,781.81 is: 61,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,614.28 : 210,877.97 = 40,781.81 : x
  2. Step 2: Convert to fraction form
    140,614.28/210,877.97 = 40,781.81/x
  3. Step 3: Cross multiply
    140,614.28x = 210,877.97 × 40,781.81
  4. Step 4: Simplify right side
    140,614.28x = 8,599,985,629.01
  5. Step 5: Solve for x
    x = 8,599,985,629.01/140,614.28
  6. Step 6: Final answer
    x = 61,160.12

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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.