Home / 238,437.60-329,049.33-131,000.82

Finding the Fourth Proportional to 238,437.60, 329,049.33 and 131,000.82

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Solution

The fourth proportional to 238,437.60, 329,049.33 and 131,000.82 is: 180,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,437.60 : 329,049.33 = 131,000.82 : x
  2. Step 2: Convert to fraction form
    238,437.60/329,049.33 = 131,000.82/x
  3. Step 3: Cross multiply
    238,437.60x = 329,049.33 × 131,000.82
  4. Step 4: Simplify right side
    238,437.60x = 43,105,732,050.45
  5. Step 5: Solve for x
    x = 43,105,732,050.45/238,437.60
  6. Step 6: Final answer
    x = 180,784.12

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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.