Home / 102,108.82-152,893.22-79,966.66

Finding the Fourth Proportional to 102,108.82, 152,893.22 and 79,966.66

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Solution

The fourth proportional to 102,108.82, 152,893.22 and 79,966.66 is: 119,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,108.82 : 152,893.22 = 79,966.66 : x
  2. Step 2: Convert to fraction form
    102,108.82/152,893.22 = 79,966.66/x
  3. Step 3: Cross multiply
    102,108.82x = 152,893.22 × 79,966.66
  4. Step 4: Simplify right side
    102,108.82x = 12,226,360,140.05
  5. Step 5: Solve for x
    x = 12,226,360,140.05/102,108.82
  6. Step 6: Final answer
    x = 119,738.53

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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.