Home / 161,795.26-223,285.07-90,175.78

Finding the Fourth Proportional to 161,795.26, 223,285.07 and 90,175.78

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Solution

The fourth proportional to 161,795.26, 223,285.07 and 90,175.78 is: 124,446.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,795.26 : 223,285.07 = 90,175.78 : x
  2. Step 2: Convert to fraction form
    161,795.26/223,285.07 = 90,175.78/x
  3. Step 3: Cross multiply
    161,795.26x = 223,285.07 × 90,175.78
  4. Step 4: Simplify right side
    161,795.26x = 20,134,905,349.60
  5. Step 5: Solve for x
    x = 20,134,905,349.60/161,795.26
  6. Step 6: Final answer
    x = 124,446.82

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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.