Home / 202,213.80-303,430.05-83,897.10

Finding the Fourth Proportional to 202,213.80, 303,430.05 and 83,897.10

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Solution

The fourth proportional to 202,213.80, 303,430.05 and 83,897.10 is: 125,891.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,213.80 : 303,430.05 = 83,897.10 : x
  2. Step 2: Convert to fraction form
    202,213.80/303,430.05 = 83,897.10/x
  3. Step 3: Cross multiply
    202,213.80x = 303,430.05 × 83,897.10
  4. Step 4: Simplify right side
    202,213.80x = 25,456,901,247.86
  5. Step 5: Solve for x
    x = 25,456,901,247.86/202,213.80
  6. Step 6: Final answer
    x = 125,891.02

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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.