Home / 103,614.85-155,504.29-40,465.23

Finding the Fourth Proportional to 103,614.85, 155,504.29 and 40,465.23

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Solution

The fourth proportional to 103,614.85, 155,504.29 and 40,465.23 is: 60,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,614.85 : 155,504.29 = 40,465.23 : x
  2. Step 2: Convert to fraction form
    103,614.85/155,504.29 = 40,465.23/x
  3. Step 3: Cross multiply
    103,614.85x = 155,504.29 × 40,465.23
  4. Step 4: Simplify right side
    103,614.85x = 6,292,516,860.84
  5. Step 5: Solve for x
    x = 6,292,516,860.84/103,614.85
  6. Step 6: Final answer
    x = 60,729.87

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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.