Home / 103,418.27-155,041.28-40,223.53

Finding the Fourth Proportional to 103,418.27, 155,041.28 and 40,223.53

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Solution

The fourth proportional to 103,418.27, 155,041.28 and 40,223.53 is: 60,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,418.27 : 155,041.28 = 40,223.53 : x
  2. Step 2: Convert to fraction form
    103,418.27/155,041.28 = 40,223.53/x
  3. Step 3: Cross multiply
    103,418.27x = 155,041.28 × 40,223.53
  4. Step 4: Simplify right side
    103,418.27x = 6,236,307,577.32
  5. Step 5: Solve for x
    x = 6,236,307,577.32/103,418.27
  6. Step 6: Final answer
    x = 60,301.80

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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.