Home / 199,308.24-275,041.80-108,668.16

Finding the Fourth Proportional to 199,308.24, 275,041.80 and 108,668.16

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Solution

The fourth proportional to 199,308.24, 275,041.80 and 108,668.16 is: 149,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,308.24 : 275,041.80 = 108,668.16 : x
  2. Step 2: Convert to fraction form
    199,308.24/275,041.80 = 108,668.16/x
  3. Step 3: Cross multiply
    199,308.24x = 275,041.80 × 108,668.16
  4. Step 4: Simplify right side
    199,308.24x = 29,888,286,329.09
  5. Step 5: Solve for x
    x = 29,888,286,329.09/199,308.24
  6. Step 6: Final answer
    x = 149,960.11

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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.