Home / 103,596.90-155,335.82-50,270.55

Finding the Fourth Proportional to 103,596.90, 155,335.82 and 50,270.55

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Solution

The fourth proportional to 103,596.90, 155,335.82 and 50,270.55 is: 75,376.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,596.90 : 155,335.82 = 50,270.55 : x
  2. Step 2: Convert to fraction form
    103,596.90/155,335.82 = 50,270.55/x
  3. Step 3: Cross multiply
    103,596.90x = 155,335.82 × 50,270.55
  4. Step 4: Simplify right side
    103,596.90x = 7,808,816,854.75
  5. Step 5: Solve for x
    x = 7,808,816,854.75/103,596.90
  6. Step 6: Final answer
    x = 75,376.94

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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.