Home / 119,494.20-164,779.74-79,194

Finding the Fourth Proportional to 119,494.20, 164,779.74 and 79,194

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Solution

The fourth proportional to 119,494.20, 164,779.74 and 79,194 is: 109,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,494.20 : 164,779.74 = 79,194 : x
  2. Step 2: Convert to fraction form
    119,494.20/164,779.74 = 79,194/x
  3. Step 3: Cross multiply
    119,494.20x = 164,779.74 × 79,194
  4. Step 4: Simplify right side
    119,494.20x = 13,049,566,729.56
  5. Step 5: Solve for x
    x = 13,049,566,729.56/119,494.20
  6. Step 6: Final answer
    x = 109,206.70

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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.