Home / 238,899.12-329,673.60-131,469.36

Finding the Fourth Proportional to 238,899.12, 329,673.60 and 131,469.36

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Solution

The fourth proportional to 238,899.12, 329,673.60 and 131,469.36 is: 181,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,899.12 : 329,673.60 = 131,469.36 : x
  2. Step 2: Convert to fraction form
    238,899.12/329,673.60 = 131,469.36/x
  3. Step 3: Cross multiply
    238,899.12x = 329,673.60 × 131,469.36
  4. Step 4: Simplify right side
    238,899.12x = 43,341,977,200.90
  5. Step 5: Solve for x
    x = 43,341,977,200.90/238,899.12
  6. Step 6: Final answer
    x = 181,423.76

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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.