Home / 171,724.30-236,985.69-100,092.76

Finding the Fourth Proportional to 171,724.30, 236,985.69 and 100,092.76

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Solution

The fourth proportional to 171,724.30, 236,985.69 and 100,092.76 is: 138,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,724.30 : 236,985.69 = 100,092.76 : x
  2. Step 2: Convert to fraction form
    171,724.30/236,985.69 = 100,092.76/x
  3. Step 3: Cross multiply
    171,724.30x = 236,985.69 × 100,092.76
  4. Step 4: Simplify right side
    171,724.30x = 23,720,551,792.60
  5. Step 5: Solve for x
    x = 23,720,551,792.60/171,724.30
  6. Step 6: Final answer
    x = 138,131.60

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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.