Home / 141,413.28-195,122.32-79,325.74

Finding the Fourth Proportional to 141,413.28, 195,122.32 and 79,325.74

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Solution

The fourth proportional to 141,413.28, 195,122.32 and 79,325.74 is: 109,453.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,413.28 : 195,122.32 = 79,325.74 : x
  2. Step 2: Convert to fraction form
    141,413.28/195,122.32 = 79,325.74/x
  3. Step 3: Cross multiply
    141,413.28x = 195,122.32 × 79,325.74
  4. Step 4: Simplify right side
    141,413.28x = 15,478,222,424.52
  5. Step 5: Solve for x
    x = 15,478,222,424.52/141,413.28
  6. Step 6: Final answer
    x = 109,453.81

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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.