Home / 181,122.57-249,936.62-100,543.73

Finding the Fourth Proportional to 181,122.57, 249,936.62 and 100,543.73

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Solution

The fourth proportional to 181,122.57, 249,936.62 and 100,543.73 is: 138,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,122.57 : 249,936.62 = 100,543.73 : x
  2. Step 2: Convert to fraction form
    181,122.57/249,936.62 = 100,543.73/x
  3. Step 3: Cross multiply
    181,122.57x = 249,936.62 × 100,543.73
  4. Step 4: Simplify right side
    181,122.57x = 25,129,558,285.99
  5. Step 5: Solve for x
    x = 25,129,558,285.99/181,122.57
  6. Step 6: Final answer
    x = 138,743.38

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1.5x scale

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.