Home / 141,193.12-211,727.49-66,334.54

Finding the Fourth Proportional to 141,193.12, 211,727.49 and 66,334.54

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Solution

The fourth proportional to 141,193.12, 211,727.49 and 66,334.54 is: 99,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,193.12 : 211,727.49 = 66,334.54 : x
  2. Step 2: Convert to fraction form
    141,193.12/211,727.49 = 66,334.54/x
  3. Step 3: Cross multiply
    141,193.12x = 211,727.49 × 66,334.54
  4. Step 4: Simplify right side
    141,193.12x = 14,044,845,654.50
  5. Step 5: Solve for x
    x = 14,044,845,654.50/141,193.12
  6. Step 6: Final answer
    x = 99,472.59

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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.