Home / 194,788.80-292,314.39-76,446.18

Finding the Fourth Proportional to 194,788.80, 292,314.39 and 76,446.18

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Solution

The fourth proportional to 194,788.80, 292,314.39 and 76,446.18 is: 114,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,788.80 : 292,314.39 = 76,446.18 : x
  2. Step 2: Convert to fraction form
    194,788.80/292,314.39 = 76,446.18/x
  3. Step 3: Cross multiply
    194,788.80x = 292,314.39 × 76,446.18
  4. Step 4: Simplify right side
    194,788.80x = 22,346,318,474.53
  5. Step 5: Solve for x
    x = 22,346,318,474.53/194,788.80
  6. Step 6: Final answer
    x = 114,720.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.