Home / 140,842.54-211,121.65-88,288.93

Finding the Fourth Proportional to 140,842.54, 211,121.65 and 88,288.93

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Solution

The fourth proportional to 140,842.54, 211,121.65 and 88,288.93 is: 132,344.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,842.54 : 211,121.65 = 88,288.93 : x
  2. Step 2: Convert to fraction form
    140,842.54/211,121.65 = 88,288.93/x
  3. Step 3: Cross multiply
    140,842.54x = 211,121.65 × 88,288.93
  4. Step 4: Simplify right side
    140,842.54x = 18,639,704,578.33
  5. Step 5: Solve for x
    x = 18,639,704,578.33/140,842.54
  6. Step 6: Final answer
    x = 132,344.28

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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.