Home / 141,499.64-195,265.36-77,837.40

Finding the Fourth Proportional to 141,499.64, 195,265.36 and 77,837.40

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Solution

The fourth proportional to 141,499.64, 195,265.36 and 77,837.40 is: 107,413.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,499.64 : 195,265.36 = 77,837.40 : x
  2. Step 2: Convert to fraction form
    141,499.64/195,265.36 = 77,837.40/x
  3. Step 3: Cross multiply
    141,499.64x = 195,265.36 × 77,837.40
  4. Step 4: Simplify right side
    141,499.64x = 15,198,947,932.46
  5. Step 5: Solve for x
    x = 15,198,947,932.46/141,499.64
  6. Step 6: Final answer
    x = 107,413.33

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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.