Home / 250,816.50-346,126.77-137,639.25

Finding the Fourth Proportional to 250,816.50, 346,126.77 and 137,639.25

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Solution

The fourth proportional to 250,816.50, 346,126.77 and 137,639.25 is: 189,942.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,816.50 : 346,126.77 = 137,639.25 : x
  2. Step 2: Convert to fraction form
    250,816.50/346,126.77 = 137,639.25/x
  3. Step 3: Cross multiply
    250,816.50x = 346,126.77 × 137,639.25
  4. Step 4: Simplify right side
    250,816.50x = 47,640,629,027.72
  5. Step 5: Solve for x
    x = 47,640,629,027.72/250,816.50
  6. Step 6: Final answer
    x = 189,942.17

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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.