Home / 252,213.94-348,057.57-139,040.74

Finding the Fourth Proportional to 252,213.94, 348,057.57 and 139,040.74

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Solution

The fourth proportional to 252,213.94, 348,057.57 and 139,040.74 is: 191,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,213.94 : 348,057.57 = 139,040.74 : x
  2. Step 2: Convert to fraction form
    252,213.94/348,057.57 = 139,040.74/x
  3. Step 3: Cross multiply
    252,213.94x = 348,057.57 × 139,040.74
  4. Step 4: Simplify right side
    252,213.94x = 48,394,182,095.40
  5. Step 5: Solve for x
    x = 48,394,182,095.40/252,213.94
  6. Step 6: Final answer
    x = 191,877.51

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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.