Home / 161,884.32-223,400.46-90,262.72

Finding the Fourth Proportional to 161,884.32, 223,400.46 and 90,262.72

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Solution

The fourth proportional to 161,884.32, 223,400.46 and 90,262.72 is: 124,562.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,884.32 : 223,400.46 = 90,262.72 : x
  2. Step 2: Convert to fraction form
    161,884.32/223,400.46 = 90,262.72/x
  3. Step 3: Cross multiply
    161,884.32x = 223,400.46 × 90,262.72
  4. Step 4: Simplify right side
    161,884.32x = 20,164,733,168.85
  5. Step 5: Solve for x
    x = 20,164,733,168.85/161,884.32
  6. Step 6: Final answer
    x = 124,562.61

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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.