Home / 134,194.58-185,188.91-76,834.78

Finding the Fourth Proportional to 134,194.58, 185,188.91 and 76,834.78

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Solution

The fourth proportional to 134,194.58, 185,188.91 and 76,834.78 is: 106,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,194.58 : 185,188.91 = 76,834.78 : x
  2. Step 2: Convert to fraction form
    134,194.58/185,188.91 = 76,834.78/x
  3. Step 3: Cross multiply
    134,194.58x = 185,188.91 × 76,834.78
  4. Step 4: Simplify right side
    134,194.58x = 14,228,948,311.14
  5. Step 5: Solve for x
    x = 14,228,948,311.14/134,194.58
  6. Step 6: Final answer
    x = 106,032.21

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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.