Home / 252,214.97-348,054.37-139,037.72

Finding the Fourth Proportional to 252,214.97, 348,054.37 and 139,037.72

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Solution

The fourth proportional to 252,214.97, 348,054.37 and 139,037.72 is: 191,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,214.97 : 348,054.37 = 139,037.72 : x
  2. Step 2: Convert to fraction form
    252,214.97/348,054.37 = 139,037.72/x
  3. Step 3: Cross multiply
    252,214.97x = 348,054.37 × 139,037.72
  4. Step 4: Simplify right side
    252,214.97x = 48,392,683,952.97
  5. Step 5: Solve for x
    x = 48,392,683,952.97/252,214.97
  6. Step 6: Final answer
    x = 191,870.79

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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.