Home / 255,431.97-352,507.06-142,254.72

Finding the Fourth Proportional to 255,431.97, 352,507.06 and 142,254.72

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Solution

The fourth proportional to 255,431.97, 352,507.06 and 142,254.72 is: 196,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,431.97 : 352,507.06 = 142,254.72 : x
  2. Step 2: Convert to fraction form
    255,431.97/352,507.06 = 142,254.72/x
  3. Step 3: Cross multiply
    255,431.97x = 352,507.06 × 142,254.72
  4. Step 4: Simplify right side
    255,431.97x = 50,145,793,118.32
  5. Step 5: Solve for x
    x = 50,145,793,118.32/255,431.97
  6. Step 6: Final answer
    x = 196,317.61

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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.