Home / 255,432.22-352,507.40-142,254.97

Finding the Fourth Proportional to 255,432.22, 352,507.40 and 142,254.97

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Solution

The fourth proportional to 255,432.22, 352,507.40 and 142,254.97 is: 196,317.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,432.22 : 352,507.40 = 142,254.97 : x
  2. Step 2: Convert to fraction form
    255,432.22/352,507.40 = 142,254.97/x
  3. Step 3: Cross multiply
    255,432.22x = 352,507.40 × 142,254.97
  4. Step 4: Simplify right side
    255,432.22x = 50,145,929,611.78
  5. Step 5: Solve for x
    x = 50,145,929,611.78/255,432.22
  6. Step 6: Final answer
    x = 196,317.95

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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.