Home / 132,494.07-198,408.75-79,153.15

Finding the Fourth Proportional to 132,494.07, 198,408.75 and 79,153.15

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Solution

The fourth proportional to 132,494.07, 198,408.75 and 79,153.15 is: 118,531.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,494.07 : 198,408.75 = 79,153.15 : x
  2. Step 2: Convert to fraction form
    132,494.07/198,408.75 = 79,153.15/x
  3. Step 3: Cross multiply
    132,494.07x = 198,408.75 × 79,153.15
  4. Step 4: Simplify right side
    132,494.07x = 15,704,677,550.06
  5. Step 5: Solve for x
    x = 15,704,677,550.06/132,494.07
  6. Step 6: Final answer
    x = 118,531.17

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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.