Home / 252,189.36-348,022.08-139,009.68

Finding the Fourth Proportional to 252,189.36, 348,022.08 and 139,009.68

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Solution

The fourth proportional to 252,189.36, 348,022.08 and 139,009.68 is: 191,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,189.36 : 348,022.08 = 139,009.68 : x
  2. Step 2: Convert to fraction form
    252,189.36/348,022.08 = 139,009.68/x
  3. Step 3: Cross multiply
    252,189.36x = 348,022.08 × 139,009.68
  4. Step 4: Simplify right side
    252,189.36x = 48,378,437,973.73
  5. Step 5: Solve for x
    x = 48,378,437,973.73/252,189.36
  6. Step 6: Final answer
    x = 191,833.78

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1.5x scale

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.