Home / 250,936.09-346,247.11-142,039.87

Finding the Fourth Proportional to 250,936.09, 346,247.11 and 142,039.87

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Solution

The fourth proportional to 250,936.09, 346,247.11 and 142,039.87 is: 195,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,936.09 : 346,247.11 = 142,039.87 : x
  2. Step 2: Convert to fraction form
    250,936.09/346,247.11 = 142,039.87/x
  3. Step 3: Cross multiply
    250,936.09x = 346,247.11 × 142,039.87
  4. Step 4: Simplify right side
    250,936.09x = 49,180,894,492.28
  5. Step 5: Solve for x
    x = 49,180,894,492.28/250,936.09
  6. Step 6: Final answer
    x = 195,989.72

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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.