Home / 141,413.78-195,123.02-79,326.24

Finding the Fourth Proportional to 141,413.78, 195,123.02 and 79,326.24

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Solution

The fourth proportional to 141,413.78, 195,123.02 and 79,326.24 is: 109,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,413.78 : 195,123.02 = 79,326.24 : x
  2. Step 2: Convert to fraction form
    141,413.78/195,123.02 = 79,326.24/x
  3. Step 3: Cross multiply
    141,413.78x = 195,123.02 × 79,326.24
  4. Step 4: Simplify right side
    141,413.78x = 15,478,375,117.41
  5. Step 5: Solve for x
    x = 15,478,375,117.41/141,413.78
  6. Step 6: Final answer
    x = 109,454.51

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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.