Home / 161,832.53-223,338.60-90,212.47

Finding the Fourth Proportional to 161,832.53, 223,338.60 and 90,212.47

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Solution

The fourth proportional to 161,832.53, 223,338.60 and 90,212.47 is: 124,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,832.53 : 223,338.60 = 90,212.47 : x
  2. Step 2: Convert to fraction form
    161,832.53/223,338.60 = 90,212.47/x
  3. Step 3: Cross multiply
    161,832.53x = 223,338.60 × 90,212.47
  4. Step 4: Simplify right side
    161,832.53x = 20,147,926,194.00
  5. Step 5: Solve for x
    x = 20,147,926,194.00/161,832.53
  6. Step 6: Final answer
    x = 124,498.62

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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.