Home / 141,535.44-195,314.88-77,873.28

Finding the Fourth Proportional to 141,535.44, 195,314.88 and 77,873.28

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Solution

The fourth proportional to 141,535.44, 195,314.88 and 77,873.28 is: 107,462.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,535.44 : 195,314.88 = 77,873.28 : x
  2. Step 2: Convert to fraction form
    141,535.44/195,314.88 = 77,873.28/x
  3. Step 3: Cross multiply
    141,535.44x = 195,314.88 × 77,873.28
  4. Step 4: Simplify right side
    141,535.44x = 15,209,810,338.41
  5. Step 5: Solve for x
    x = 15,209,810,338.41/141,535.44
  6. Step 6: Final answer
    x = 107,462.91

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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.