Home / 252,917.68-349,033.44-139,747.72

Finding the Fourth Proportional to 252,917.68, 349,033.44 and 139,747.72

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Solution

The fourth proportional to 252,917.68, 349,033.44 and 139,747.72 is: 192,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,917.68 : 349,033.44 = 139,747.72 : x
  2. Step 2: Convert to fraction form
    252,917.68/349,033.44 = 139,747.72/x
  3. Step 3: Cross multiply
    252,917.68x = 349,033.44 × 139,747.72
  4. Step 4: Simplify right side
    252,917.68x = 48,776,627,443.76
  5. Step 5: Solve for x
    x = 48,776,627,443.76/252,917.68
  6. Step 6: Final answer
    x = 192,855.74

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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.