Home / 147,400.41-203,413.25-83,741.70

Finding the Fourth Proportional to 147,400.41, 203,413.25 and 83,741.70

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Solution

The fourth proportional to 147,400.41, 203,413.25 and 83,741.70 is: 115,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,400.41 : 203,413.25 = 83,741.70 : x
  2. Step 2: Convert to fraction form
    147,400.41/203,413.25 = 83,741.70/x
  3. Step 3: Cross multiply
    147,400.41x = 203,413.25 × 83,741.70
  4. Step 4: Simplify right side
    147,400.41x = 17,034,171,566.88
  5. Step 5: Solve for x
    x = 17,034,171,566.88/147,400.41
  6. Step 6: Final answer
    x = 115,563.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.