Home / 161,741.99-223,200.97-90,120.47

Finding the Fourth Proportional to 161,741.99, 223,200.97 and 90,120.47

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Solution

The fourth proportional to 161,741.99, 223,200.97 and 90,120.47 is: 124,364.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,741.99 : 223,200.97 = 90,120.47 : x
  2. Step 2: Convert to fraction form
    161,741.99/223,200.97 = 90,120.47/x
  3. Step 3: Cross multiply
    161,741.99x = 223,200.97 × 90,120.47
  4. Step 4: Simplify right side
    161,741.99x = 20,114,976,320.86
  5. Step 5: Solve for x
    x = 20,114,976,320.86/161,741.99
  6. Step 6: Final answer
    x = 124,364.59

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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.