Home / 130,413.33-179,884.67-102,069.81

Finding the Fourth Proportional to 130,413.33, 179,884.67 and 102,069.81

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Solution

The fourth proportional to 130,413.33, 179,884.67 and 102,069.81 is: 140,789.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,413.33 : 179,884.67 = 102,069.81 : x
  2. Step 2: Convert to fraction form
    130,413.33/179,884.67 = 102,069.81/x
  3. Step 3: Cross multiply
    130,413.33x = 179,884.67 × 102,069.81
  4. Step 4: Simplify right side
    130,413.33x = 18,360,793,578.46
  5. Step 5: Solve for x
    x = 18,360,793,578.46/130,413.33
  6. Step 6: Final answer
    x = 140,789.24

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1.5x scale

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.