Home / 136,739.43-205,099.42-36,905.31

Finding the Fourth Proportional to 136,739.43, 205,099.42 and 36,905.31

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Solution

The fourth proportional to 136,739.43, 205,099.42 and 36,905.31 is: 55,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,739.43 : 205,099.42 = 36,905.31 : x
  2. Step 2: Convert to fraction form
    136,739.43/205,099.42 = 36,905.31/x
  3. Step 3: Cross multiply
    136,739.43x = 205,099.42 × 36,905.31
  4. Step 4: Simplify right side
    136,739.43x = 7,569,257,675.92
  5. Step 5: Solve for x
    x = 7,569,257,675.92/136,739.43
  6. Step 6: Final answer
    x = 55,355.34

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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.