Home / 372,101.40-558,152.10-135,413.33

Finding the Fourth Proportional to 372,101.40, 558,152.10 and 135,413.33

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Solution

The fourth proportional to 372,101.40, 558,152.10 and 135,413.33 is: 203,119.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,101.40 : 558,152.10 = 135,413.33 : x
  2. Step 2: Convert to fraction form
    372,101.40/558,152.10 = 135,413.33/x
  3. Step 3: Cross multiply
    372,101.40x = 558,152.10 × 135,413.33
  4. Step 4: Simplify right side
    372,101.40x = 75,581,231,716.73
  5. Step 5: Solve for x
    x = 75,581,231,716.73/372,101.40
  6. Step 6: Final answer
    x = 203,119.99

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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.