Home / 156,449.58-234,673.91-135,326.80

Finding the Fourth Proportional to 156,449.58, 234,673.91 and 135,326.80

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Solution

The fourth proportional to 156,449.58, 234,673.91 and 135,326.80 is: 202,989.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,449.58 : 234,673.91 = 135,326.80 : x
  2. Step 2: Convert to fraction form
    156,449.58/234,673.91 = 135,326.80/x
  3. Step 3: Cross multiply
    156,449.58x = 234,673.91 × 135,326.80
  4. Step 4: Simplify right side
    156,449.58x = 31,757,669,407.97
  5. Step 5: Solve for x
    x = 31,757,669,407.97/156,449.58
  6. Step 6: Final answer
    x = 202,989.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.