Home / 238,620.40-329,291.58-131,189.38

Finding the Fourth Proportional to 238,620.40, 329,291.58 and 131,189.38

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Solution

The fourth proportional to 238,620.40, 329,291.58 and 131,189.38 is: 181,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,620.40 : 329,291.58 = 131,189.38 : x
  2. Step 2: Convert to fraction form
    238,620.40/329,291.58 = 131,189.38/x
  3. Step 3: Cross multiply
    238,620.40x = 329,291.58 × 131,189.38
  4. Step 4: Simplify right side
    238,620.40x = 43,199,558,219.42
  5. Step 5: Solve for x
    x = 43,199,558,219.42/238,620.40
  6. Step 6: Final answer
    x = 181,038.83

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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.