Home / 161,294.18-222,516.33-100,759.46

Finding the Fourth Proportional to 161,294.18, 222,516.33 and 100,759.46

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Solution

The fourth proportional to 161,294.18, 222,516.33 and 100,759.46 is: 139,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,294.18 : 222,516.33 = 100,759.46 : x
  2. Step 2: Convert to fraction form
    161,294.18/222,516.33 = 100,759.46/x
  3. Step 3: Cross multiply
    161,294.18x = 222,516.33 × 100,759.46
  4. Step 4: Simplify right side
    161,294.18x = 22,420,625,251.98
  5. Step 5: Solve for x
    x = 22,420,625,251.98/161,294.18
  6. Step 6: Final answer
    x = 139,004.55

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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.