Home / 94,991.36-141,785.50-83,785.04

Finding the Fourth Proportional to 94,991.36, 141,785.50 and 83,785.04

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Solution

The fourth proportional to 94,991.36, 141,785.50 and 83,785.04 is: 125,058.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,991.36 : 141,785.50 = 83,785.04 : x
  2. Step 2: Convert to fraction form
    94,991.36/141,785.50 = 83,785.04/x
  3. Step 3: Cross multiply
    94,991.36x = 141,785.50 × 83,785.04
  4. Step 4: Simplify right side
    94,991.36x = 11,879,503,788.92
  5. Step 5: Solve for x
    x = 11,879,503,788.92/94,991.36
  6. Step 6: Final answer
    x = 125,058.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.