Home / 202,172.41-303,445.36-102,402.66

Finding the Fourth Proportional to 202,172.41, 303,445.36 and 102,402.66

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Solution

The fourth proportional to 202,172.41, 303,445.36 and 102,402.66 is: 153,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,172.41 : 303,445.36 = 102,402.66 : x
  2. Step 2: Convert to fraction form
    202,172.41/303,445.36 = 102,402.66/x
  3. Step 3: Cross multiply
    202,172.41x = 303,445.36 × 102,402.66
  4. Step 4: Simplify right side
    202,172.41x = 31,073,612,028.66
  5. Step 5: Solve for x
    x = 31,073,612,028.66/202,172.41
  6. Step 6: Final answer
    x = 153,698.58

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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.