Home / 103,559.81-155,227.82-50,138.91

Finding the Fourth Proportional to 103,559.81, 155,227.82 and 50,138.91

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Solution

The fourth proportional to 103,559.81, 155,227.82 and 50,138.91 is: 75,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,559.81 : 155,227.82 = 50,138.91 : x
  2. Step 2: Convert to fraction form
    103,559.81/155,227.82 = 50,138.91/x
  3. Step 3: Cross multiply
    103,559.81x = 155,227.82 × 50,138.91
  4. Step 4: Simplify right side
    103,559.81x = 7,782,953,445.78
  5. Step 5: Solve for x
    x = 7,782,953,445.78/103,559.81
  6. Step 6: Final answer
    x = 75,154.19

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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.