Home / 103,775.43-155,605.62-36,289.39

Finding the Fourth Proportional to 103,775.43, 155,605.62 and 36,289.39

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Solution

The fourth proportional to 103,775.43, 155,605.62 and 36,289.39 is: 54,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,775.43 : 155,605.62 = 36,289.39 : x
  2. Step 2: Convert to fraction form
    103,775.43/155,605.62 = 36,289.39/x
  3. Step 3: Cross multiply
    103,775.43x = 155,605.62 × 36,289.39
  4. Step 4: Simplify right side
    103,775.43x = 5,646,833,353.75
  5. Step 5: Solve for x
    x = 5,646,833,353.75/103,775.43
  6. Step 6: Final answer
    x = 54,413.97

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1.5x scale

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.