Home / 129,418.25-194,089.05-58,299.77

Finding the Fourth Proportional to 129,418.25, 194,089.05 and 58,299.77

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Solution

The fourth proportional to 129,418.25, 194,089.05 and 58,299.77 is: 87,432.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,418.25 : 194,089.05 = 58,299.77 : x
  2. Step 2: Convert to fraction form
    129,418.25/194,089.05 = 58,299.77/x
  3. Step 3: Cross multiply
    129,418.25x = 194,089.05 × 58,299.77
  4. Step 4: Simplify right side
    129,418.25x = 11,315,346,004.07
  5. Step 5: Solve for x
    x = 11,315,346,004.07/129,418.25
  6. Step 6: Final answer
    x = 87,432.39

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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.