Home / 94,218.80-141,240.36-31,845.68

Finding the Fourth Proportional to 94,218.80, 141,240.36 and 31,845.68

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Solution

The fourth proportional to 94,218.80, 141,240.36 and 31,845.68 is: 47,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,218.80 : 141,240.36 = 31,845.68 : x
  2. Step 2: Convert to fraction form
    94,218.80/141,240.36 = 31,845.68/x
  3. Step 3: Cross multiply
    94,218.80x = 141,240.36 × 31,845.68
  4. Step 4: Simplify right side
    94,218.80x = 4,497,895,307.64
  5. Step 5: Solve for x
    x = 4,497,895,307.64/94,218.80
  6. Step 6: Final answer
    x = 47,738.83

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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.