Home / 255,311.52-352,336.08-142,141.92

Finding the Fourth Proportional to 255,311.52, 352,336.08 and 142,141.92

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Solution

The fourth proportional to 255,311.52, 352,336.08 and 142,141.92 is: 196,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,311.52 : 352,336.08 = 142,141.92 : x
  2. Step 2: Convert to fraction form
    255,311.52/352,336.08 = 142,141.92/x
  3. Step 3: Cross multiply
    255,311.52x = 352,336.08 × 142,141.92
  4. Step 4: Simplify right side
    255,311.52x = 50,081,726,896.47
  5. Step 5: Solve for x
    x = 50,081,726,896.47/255,311.52
  6. Step 6: Final answer
    x = 196,159.29

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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.