Home / 102,305.84-141,189.15-62,021.30

Finding the Fourth Proportional to 102,305.84, 141,189.15 and 62,021.30

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Solution

The fourth proportional to 102,305.84, 141,189.15 and 62,021.30 is: 85,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,305.84 : 141,189.15 = 62,021.30 : x
  2. Step 2: Convert to fraction form
    102,305.84/141,189.15 = 62,021.30/x
  3. Step 3: Cross multiply
    102,305.84x = 141,189.15 × 62,021.30
  4. Step 4: Simplify right side
    102,305.84x = 8,756,733,922.95
  5. Step 5: Solve for x
    x = 8,756,733,922.95/102,305.84
  6. Step 6: Final answer
    x = 85,593.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.