Home / 194,938.80-292,408.20-54,721.20

Finding the Fourth Proportional to 194,938.80, 292,408.20 and 54,721.20

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Solution

The fourth proportional to 194,938.80, 292,408.20 and 54,721.20 is: 82,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,938.80 : 292,408.20 = 54,721.20 : x
  2. Step 2: Convert to fraction form
    194,938.80/292,408.20 = 54,721.20/x
  3. Step 3: Cross multiply
    194,938.80x = 292,408.20 × 54,721.20
  4. Step 4: Simplify right side
    194,938.80x = 16,000,927,593.84
  5. Step 5: Solve for x
    x = 16,000,927,593.84/194,938.80
  6. Step 6: Final answer
    x = 82,081.80

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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.