Home / 181,865.73-250,981.47-100,197.30

Finding the Fourth Proportional to 181,865.73, 250,981.47 and 100,197.30

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Solution

The fourth proportional to 181,865.73, 250,981.47 and 100,197.30 is: 138,276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,865.73 : 250,981.47 = 100,197.30 : x
  2. Step 2: Convert to fraction form
    181,865.73/250,981.47 = 100,197.30/x
  3. Step 3: Cross multiply
    181,865.73x = 250,981.47 × 100,197.30
  4. Step 4: Simplify right side
    181,865.73x = 25,147,665,644.03
  5. Step 5: Solve for x
    x = 25,147,665,644.03/181,865.73
  6. Step 6: Final answer
    x = 138,276.00

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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.