Home / 146,834.57-202,631.73-83,172.32

Finding the Fourth Proportional to 146,834.57, 202,631.73 and 83,172.32

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Solution

The fourth proportional to 146,834.57, 202,631.73 and 83,172.32 is: 114,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,834.57 : 202,631.73 = 83,172.32 : x
  2. Step 2: Convert to fraction form
    146,834.57/202,631.73 = 83,172.32/x
  3. Step 3: Cross multiply
    146,834.57x = 202,631.73 × 83,172.32
  4. Step 4: Simplify right side
    146,834.57x = 16,853,350,524.53
  5. Step 5: Solve for x
    x = 16,853,350,524.53/146,834.57
  6. Step 6: Final answer
    x = 114,777.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.