Home / 202,343.20-303,514.80-69,261.55

Finding the Fourth Proportional to 202,343.20, 303,514.80 and 69,261.55

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Solution

The fourth proportional to 202,343.20, 303,514.80 and 69,261.55 is: 103,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,343.20 : 303,514.80 = 69,261.55 : x
  2. Step 2: Convert to fraction form
    202,343.20/303,514.80 = 69,261.55/x
  3. Step 3: Cross multiply
    202,343.20x = 303,514.80 × 69,261.55
  4. Step 4: Simplify right side
    202,343.20x = 21,021,905,495.94
  5. Step 5: Solve for x
    x = 21,021,905,495.94/202,343.20
  6. Step 6: Final answer
    x = 103,892.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.