Home / 77,413.75-116,140.14-22,009.75

Finding the Fourth Proportional to 77,413.75, 116,140.14 and 22,009.75

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Solution

The fourth proportional to 77,413.75, 116,140.14 and 22,009.75 is: 33,020.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,413.75 : 116,140.14 = 22,009.75 : x
  2. Step 2: Convert to fraction form
    77,413.75/116,140.14 = 22,009.75/x
  3. Step 3: Cross multiply
    77,413.75x = 116,140.14 × 22,009.75
  4. Step 4: Simplify right side
    77,413.75x = 2,556,215,446.37
  5. Step 5: Solve for x
    x = 2,556,215,446.37/77,413.75
  6. Step 6: Final answer
    x = 33,020.17

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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.