Home / 238,575.85-329,235.02-131,146.54

Finding the Fourth Proportional to 238,575.85, 329,235.02 and 131,146.54

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Solution

The fourth proportional to 238,575.85, 329,235.02 and 131,146.54 is: 180,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,575.85 : 329,235.02 = 131,146.54 : x
  2. Step 2: Convert to fraction form
    238,575.85/329,235.02 = 131,146.54/x
  3. Step 3: Cross multiply
    238,575.85x = 329,235.02 × 131,146.54
  4. Step 4: Simplify right side
    238,575.85x = 43,178,033,719.83
  5. Step 5: Solve for x
    x = 43,178,033,719.83/238,575.85
  6. Step 6: Final answer
    x = 180,982.42

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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.