Home / 181,997.28-251,164.80-106,570.08

Finding the Fourth Proportional to 181,997.28, 251,164.80 and 106,570.08

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Solution

The fourth proportional to 181,997.28, 251,164.80 and 106,570.08 is: 147,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,997.28 : 251,164.80 = 106,570.08 : x
  2. Step 2: Convert to fraction form
    181,997.28/251,164.80 = 106,570.08/x
  3. Step 3: Cross multiply
    181,997.28x = 251,164.80 × 106,570.08
  4. Step 4: Simplify right side
    181,997.28x = 26,766,652,829.18
  5. Step 5: Solve for x
    x = 26,766,652,829.18/181,997.28
  6. Step 6: Final answer
    x = 147,071.72

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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.