Home / 226,006.08-338,658.72-142,725.12

Finding the Fourth Proportional to 226,006.08, 338,658.72 and 142,725.12

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Solution

The fourth proportional to 226,006.08, 338,658.72 and 142,725.12 is: 213,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,006.08 : 338,658.72 = 142,725.12 : x
  2. Step 2: Convert to fraction form
    226,006.08/338,658.72 = 142,725.12/x
  3. Step 3: Cross multiply
    226,006.08x = 338,658.72 × 142,725.12
  4. Step 4: Simplify right side
    226,006.08x = 48,335,106,451.05
  5. Step 5: Solve for x
    x = 48,335,106,451.05/226,006.08
  6. Step 6: Final answer
    x = 213,866.40

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1.5x scale

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.