Home / 168,867.32-252,968.08-137,313

Finding the Fourth Proportional to 168,867.32, 252,968.08 and 137,313

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Solution

The fourth proportional to 168,867.32, 252,968.08 and 137,313 is: 205,698.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,867.32 : 252,968.08 = 137,313 : x
  2. Step 2: Convert to fraction form
    168,867.32/252,968.08 = 137,313/x
  3. Step 3: Cross multiply
    168,867.32x = 252,968.08 × 137,313
  4. Step 4: Simplify right side
    168,867.32x = 34,735,805,969.04
  5. Step 5: Solve for x
    x = 34,735,805,969.04/168,867.32
  6. Step 6: Final answer
    x = 205,698.81

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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.