Home / 180,256.41-270,413.78-75,086.01

Finding the Fourth Proportional to 180,256.41, 270,413.78 and 75,086.01

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Solution

The fourth proportional to 180,256.41, 270,413.78 and 75,086.01 is: 112,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,256.41 : 270,413.78 = 75,086.01 : x
  2. Step 2: Convert to fraction form
    180,256.41/270,413.78 = 75,086.01/x
  3. Step 3: Cross multiply
    180,256.41x = 270,413.78 × 75,086.01
  4. Step 4: Simplify right side
    180,256.41x = 20,304,291,413.79
  5. Step 5: Solve for x
    x = 20,304,291,413.79/180,256.41
  6. Step 6: Final answer
    x = 112,641.16

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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.