Home / 161,108.41-222,391.60-107,373.82

Finding the Fourth Proportional to 161,108.41, 222,391.60 and 107,373.82

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Solution

The fourth proportional to 161,108.41, 222,391.60 and 107,373.82 is: 148,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,108.41 : 222,391.60 = 107,373.82 : x
  2. Step 2: Convert to fraction form
    161,108.41/222,391.60 = 107,373.82/x
  3. Step 3: Cross multiply
    161,108.41x = 222,391.60 × 107,373.82
  4. Step 4: Simplify right side
    161,108.41x = 23,879,035,627.91
  5. Step 5: Solve for x
    x = 23,879,035,627.91/161,108.41
  6. Step 6: Final answer
    x = 148,217.19

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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.