Home / 202,008.36-278,773.50-111,367.56

Finding the Fourth Proportional to 202,008.36, 278,773.50 and 111,367.56

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Solution

The fourth proportional to 202,008.36, 278,773.50 and 111,367.56 is: 153,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,008.36 : 278,773.50 = 111,367.56 : x
  2. Step 2: Convert to fraction form
    202,008.36/278,773.50 = 111,367.56/x
  3. Step 3: Cross multiply
    202,008.36x = 278,773.50 × 111,367.56
  4. Step 4: Simplify right side
    202,008.36x = 31,046,324,487.66
  5. Step 5: Solve for x
    x = 31,046,324,487.66/202,008.36
  6. Step 6: Final answer
    x = 153,688.32

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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.