Home / 266,107.08-399,255.06-166,151.40

Finding the Fourth Proportional to 266,107.08, 399,255.06 and 166,151.40

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Solution

The fourth proportional to 266,107.08, 399,255.06 and 166,151.40 is: 249,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,107.08 : 399,255.06 = 166,151.40 : x
  2. Step 2: Convert to fraction form
    266,107.08/399,255.06 = 166,151.40/x
  3. Step 3: Cross multiply
    266,107.08x = 399,255.06 × 166,151.40
  4. Step 4: Simplify right side
    266,107.08x = 66,336,787,176.08
  5. Step 5: Solve for x
    x = 66,336,787,176.08/266,107.08
  6. Step 6: Final answer
    x = 249,286.07

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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.