Home / 161,550.24-223,049.07-101,145.30

Finding the Fourth Proportional to 161,550.24, 223,049.07 and 101,145.30

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Solution

The fourth proportional to 161,550.24, 223,049.07 and 101,145.30 is: 139,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,550.24 : 223,049.07 = 101,145.30 : x
  2. Step 2: Convert to fraction form
    161,550.24/223,049.07 = 101,145.30/x
  3. Step 3: Cross multiply
    161,550.24x = 223,049.07 × 101,145.30
  4. Step 4: Simplify right side
    161,550.24x = 22,560,365,099.87
  5. Step 5: Solve for x
    x = 22,560,365,099.87/161,550.24
  6. Step 6: Final answer
    x = 139,649.22

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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.