Home / 90,413.02-135,600.96-34,233.78

Finding the Fourth Proportional to 90,413.02, 135,600.96 and 34,233.78

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Solution

The fourth proportional to 90,413.02, 135,600.96 and 34,233.78 is: 51,343.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,413.02 : 135,600.96 = 34,233.78 : x
  2. Step 2: Convert to fraction form
    90,413.02/135,600.96 = 34,233.78/x
  3. Step 3: Cross multiply
    90,413.02x = 135,600.96 × 34,233.78
  4. Step 4: Simplify right side
    90,413.02x = 4,642,133,432.43
  5. Step 5: Solve for x
    x = 4,642,133,432.43/90,413.02
  6. Step 6: Final answer
    x = 51,343.64

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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.