Home / 161,295.18-222,517.71-100,760.46

Finding the Fourth Proportional to 161,295.18, 222,517.71 and 100,760.46

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Solution

The fourth proportional to 161,295.18, 222,517.71 and 100,760.46 is: 139,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,295.18 : 222,517.71 = 100,760.46 : x
  2. Step 2: Convert to fraction form
    161,295.18/222,517.71 = 100,760.46/x
  3. Step 3: Cross multiply
    161,295.18x = 222,517.71 × 100,760.46
  4. Step 4: Simplify right side
    161,295.18x = 22,420,986,817.75
  5. Step 5: Solve for x
    x = 22,420,986,817.75/161,295.18
  6. Step 6: Final answer
    x = 139,005.93

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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.