Home / 138,383.12-207,413.39-63,511.17

Finding the Fourth Proportional to 138,383.12, 207,413.39 and 63,511.17

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Solution

The fourth proportional to 138,383.12, 207,413.39 and 63,511.17 is: 95,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,383.12 : 207,413.39 = 63,511.17 : x
  2. Step 2: Convert to fraction form
    138,383.12/207,413.39 = 63,511.17/x
  3. Step 3: Cross multiply
    138,383.12x = 207,413.39 × 63,511.17
  4. Step 4: Simplify right side
    138,383.12x = 13,173,066,755.01
  5. Step 5: Solve for x
    x = 13,173,066,755.01/138,383.12
  6. Step 6: Final answer
    x = 95,192.73

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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.