Home / 255,695.13-352,863.95-142,505.73

Finding the Fourth Proportional to 255,695.13, 352,863.95 and 142,505.73

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Solution

The fourth proportional to 255,695.13, 352,863.95 and 142,505.73 is: 196,660.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,695.13 : 352,863.95 = 142,505.73 : x
  2. Step 2: Convert to fraction form
    255,695.13/352,863.95 = 142,505.73/x
  3. Step 3: Cross multiply
    255,695.13x = 352,863.95 × 142,505.73
  4. Step 4: Simplify right side
    255,695.13x = 50,285,134,072.90
  5. Step 5: Solve for x
    x = 50,285,134,072.90/255,695.13
  6. Step 6: Final answer
    x = 196,660.51

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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.