Home / 252,558.81-348,530.45-139,380.75

Finding the Fourth Proportional to 252,558.81, 348,530.45 and 139,380.75

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Solution

The fourth proportional to 252,558.81, 348,530.45 and 139,380.75 is: 192,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,558.81 : 348,530.45 = 139,380.75 : x
  2. Step 2: Convert to fraction form
    252,558.81/348,530.45 = 139,380.75/x
  3. Step 3: Cross multiply
    252,558.81x = 348,530.45 × 139,380.75
  4. Step 4: Simplify right side
    252,558.81x = 48,578,434,821.93
  5. Step 5: Solve for x
    x = 48,578,434,821.93/252,558.81
  6. Step 6: Final answer
    x = 192,345.04

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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.