Home / 103,977.30-155,965.97-25,091.53

Finding the Fourth Proportional to 103,977.30, 155,965.97 and 25,091.53

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Solution

The fourth proportional to 103,977.30, 155,965.97 and 25,091.53 is: 37,637.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,977.30 : 155,965.97 = 25,091.53 : x
  2. Step 2: Convert to fraction form
    103,977.30/155,965.97 = 25,091.53/x
  3. Step 3: Cross multiply
    103,977.30x = 155,965.97 × 25,091.53
  4. Step 4: Simplify right side
    103,977.30x = 3,913,424,299.86
  5. Step 5: Solve for x
    x = 3,913,424,299.86/103,977.30
  6. Step 6: Final answer
    x = 37,637.29

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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.