Home / 129,514.74-194,108.94-69,394.11

Finding the Fourth Proportional to 129,514.74, 194,108.94 and 69,394.11

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Solution

The fourth proportional to 129,514.74, 194,108.94 and 69,394.11 is: 104,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,514.74 : 194,108.94 = 69,394.11 : x
  2. Step 2: Convert to fraction form
    129,514.74/194,108.94 = 69,394.11/x
  3. Step 3: Cross multiply
    129,514.74x = 194,108.94 × 69,394.11
  4. Step 4: Simplify right side
    129,514.74x = 13,470,017,134.34
  5. Step 5: Solve for x
    x = 13,470,017,134.34/129,514.74
  6. Step 6: Final answer
    x = 104,003.74

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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.