Home / 129,539.36-194,187.36-45,247.52

Finding the Fourth Proportional to 129,539.36, 194,187.36 and 45,247.52

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Solution

The fourth proportional to 129,539.36, 194,187.36 and 45,247.52 is: 67,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,539.36 : 194,187.36 = 45,247.52 : x
  2. Step 2: Convert to fraction form
    129,539.36/194,187.36 = 45,247.52/x
  3. Step 3: Cross multiply
    129,539.36x = 194,187.36 × 45,247.52
  4. Step 4: Simplify right side
    129,539.36x = 8,786,496,455.35
  5. Step 5: Solve for x
    x = 8,786,496,455.35/129,539.36
  6. Step 6: Final answer
    x = 67,828.78

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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.