Home / 103,418.77-155,042.03-40,224.03

Finding the Fourth Proportional to 103,418.77, 155,042.03 and 40,224.03

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Solution

The fourth proportional to 103,418.77, 155,042.03 and 40,224.03 is: 60,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,418.77 : 155,042.03 = 40,224.03 : x
  2. Step 2: Convert to fraction form
    103,418.77/155,042.03 = 40,224.03/x
  3. Step 3: Cross multiply
    103,418.77x = 155,042.03 × 40,224.03
  4. Step 4: Simplify right side
    103,418.77x = 6,236,415,265.98
  5. Step 5: Solve for x
    x = 6,236,415,265.98/103,418.77
  6. Step 6: Final answer
    x = 60,302.55

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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.