Home / 255,784.80-352,972.08-142,606.56

Finding the Fourth Proportional to 255,784.80, 352,972.08 and 142,606.56

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Solution

The fourth proportional to 255,784.80, 352,972.08 and 142,606.56 is: 196,790.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,784.80 : 352,972.08 = 142,606.56 : x
  2. Step 2: Convert to fraction form
    255,784.80/352,972.08 = 142,606.56/x
  3. Step 3: Cross multiply
    255,784.80x = 352,972.08 × 142,606.56
  4. Step 4: Simplify right side
    255,784.80x = 50,336,134,104.84
  5. Step 5: Solve for x
    x = 50,336,134,104.84/255,784.80
  6. Step 6: Final answer
    x = 196,790.95

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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.