Home / 255,719.16-352,895.20-140,998.02

Finding the Fourth Proportional to 255,719.16, 352,895.20 and 140,998.02

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Solution

The fourth proportional to 255,719.16, 352,895.20 and 140,998.02 is: 194,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,719.16 : 352,895.20 = 140,998.02 : x
  2. Step 2: Convert to fraction form
    255,719.16/352,895.20 = 140,998.02/x
  3. Step 3: Cross multiply
    255,719.16x = 352,895.20 × 140,998.02
  4. Step 4: Simplify right side
    255,719.16x = 49,757,524,467.50
  5. Step 5: Solve for x
    x = 49,757,524,467.50/255,719.16
  6. Step 6: Final answer
    x = 194,578.79

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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.