Home / 179,719.56-269,880.12-172,567.80

Finding the Fourth Proportional to 179,719.56, 269,880.12 and 172,567.80

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Solution

The fourth proportional to 179,719.56, 269,880.12 and 172,567.80 is: 259,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,719.56 : 269,880.12 = 172,567.80 : x
  2. Step 2: Convert to fraction form
    179,719.56/269,880.12 = 172,567.80/x
  3. Step 3: Cross multiply
    179,719.56x = 269,880.12 × 172,567.80
  4. Step 4: Simplify right side
    179,719.56x = 46,572,618,572.14
  5. Step 5: Solve for x
    x = 46,572,618,572.14/179,719.56
  6. Step 6: Final answer
    x = 259,140.51

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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.