Home / 181,285.08-250,177.78-100,716

Finding the Fourth Proportional to 181,285.08, 250,177.78 and 100,716

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Solution

The fourth proportional to 181,285.08, 250,177.78 and 100,716 is: 138,990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,285.08 : 250,177.78 = 100,716 : x
  2. Step 2: Convert to fraction form
    181,285.08/250,177.78 = 100,716/x
  3. Step 3: Cross multiply
    181,285.08x = 250,177.78 × 100,716
  4. Step 4: Simplify right side
    181,285.08x = 25,196,905,290.48
  5. Step 5: Solve for x
    x = 25,196,905,290.48/181,285.08
  6. Step 6: Final answer
    x = 138,990.51

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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.