Home / 137,832.42-206,346.96-102,450.46

Finding the Fourth Proportional to 137,832.42, 206,346.96 and 102,450.46

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Solution

The fourth proportional to 137,832.42, 206,346.96 and 102,450.46 is: 153,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,832.42 : 206,346.96 = 102,450.46 : x
  2. Step 2: Convert to fraction form
    137,832.42/206,346.96 = 102,450.46/x
  3. Step 3: Cross multiply
    137,832.42x = 206,346.96 × 102,450.46
  4. Step 4: Simplify right side
    137,832.42x = 21,140,340,971.60
  5. Step 5: Solve for x
    x = 21,140,340,971.60/137,832.42
  6. Step 6: Final answer
    x = 153,377.13

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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.