Home / 202,430.10-303,645.15-71,102.10

Finding the Fourth Proportional to 202,430.10, 303,645.15 and 71,102.10

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Solution

The fourth proportional to 202,430.10, 303,645.15 and 71,102.10 is: 106,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,430.10 : 303,645.15 = 71,102.10 : x
  2. Step 2: Convert to fraction form
    202,430.10/303,645.15 = 71,102.10/x
  3. Step 3: Cross multiply
    202,430.10x = 303,645.15 × 71,102.10
  4. Step 4: Simplify right side
    202,430.10x = 21,589,807,819.82
  5. Step 5: Solve for x
    x = 21,589,807,819.82/202,430.10
  6. Step 6: Final answer
    x = 106,653.15

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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.