Home / 146,219.36-219,639.76-137,687.32

Finding the Fourth Proportional to 146,219.36, 219,639.76 and 137,687.32

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Solution

The fourth proportional to 146,219.36, 219,639.76 and 137,687.32 is: 206,823.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,219.36 : 219,639.76 = 137,687.32 : x
  2. Step 2: Convert to fraction form
    146,219.36/219,639.76 = 137,687.32/x
  3. Step 3: Cross multiply
    146,219.36x = 219,639.76 × 137,687.32
  4. Step 4: Simplify right side
    146,219.36x = 30,241,609,919.84
  5. Step 5: Solve for x
    x = 30,241,609,919.84/146,219.36
  6. Step 6: Final answer
    x = 206,823.57

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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.