Home / 161,135.82-241,620.71-72,313.18

Finding the Fourth Proportional to 161,135.82, 241,620.71 and 72,313.18

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Solution

The fourth proportional to 161,135.82, 241,620.71 and 72,313.18 is: 108,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,135.82 : 241,620.71 = 72,313.18 : x
  2. Step 2: Convert to fraction form
    161,135.82/241,620.71 = 72,313.18/x
  3. Step 3: Cross multiply
    161,135.82x = 241,620.71 × 72,313.18
  4. Step 4: Simplify right side
    161,135.82x = 17,472,360,928.34
  5. Step 5: Solve for x
    x = 17,472,360,928.34/161,135.82
  6. Step 6: Final answer
    x = 108,432.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.