Home / 129,044.70-193,534.65-45,919.26

Finding the Fourth Proportional to 129,044.70, 193,534.65 and 45,919.26

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Solution

The fourth proportional to 129,044.70, 193,534.65 and 45,919.26 is: 68,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,044.70 : 193,534.65 = 45,919.26 : x
  2. Step 2: Convert to fraction form
    129,044.70/193,534.65 = 45,919.26/x
  3. Step 3: Cross multiply
    129,044.70x = 193,534.65 × 45,919.26
  4. Step 4: Simplify right side
    129,044.70x = 8,886,967,912.36
  5. Step 5: Solve for x
    x = 8,886,967,912.36/129,044.70
  6. Step 6: Final answer
    x = 68,867.36

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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.