Home / 238,790.67-329,520.74-131,353.89

Finding the Fourth Proportional to 238,790.67, 329,520.74 and 131,353.89

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Solution

The fourth proportional to 238,790.67, 329,520.74 and 131,353.89 is: 181,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,790.67 : 329,520.74 = 131,353.89 : x
  2. Step 2: Convert to fraction form
    238,790.67/329,520.74 = 131,353.89/x
  3. Step 3: Cross multiply
    238,790.67x = 329,520.74 × 131,353.89
  4. Step 4: Simplify right side
    238,790.67x = 43,283,830,377.91
  5. Step 5: Solve for x
    x = 43,283,830,377.91/238,790.67
  6. Step 6: Final answer
    x = 181,262.65

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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.