Home / 102,860.27-141,958.94-57,549.73

Finding the Fourth Proportional to 102,860.27, 141,958.94 and 57,549.73

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Solution

The fourth proportional to 102,860.27, 141,958.94 and 57,549.73 is: 79,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,860.27 : 141,958.94 = 57,549.73 : x
  2. Step 2: Convert to fraction form
    102,860.27/141,958.94 = 57,549.73/x
  3. Step 3: Cross multiply
    102,860.27x = 141,958.94 × 57,549.73
  4. Step 4: Simplify right side
    102,860.27x = 8,169,698,668.09
  5. Step 5: Solve for x
    x = 8,169,698,668.09/102,860.27
  6. Step 6: Final answer
    x = 79,425.21

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1.5x scale

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.