Home / 238,581.12-329,243.01-131,158.07

Finding the Fourth Proportional to 238,581.12, 329,243.01 and 131,158.07

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Solution

The fourth proportional to 238,581.12, 329,243.01 and 131,158.07 is: 180,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,581.12 : 329,243.01 = 131,158.07 : x
  2. Step 2: Convert to fraction form
    238,581.12/329,243.01 = 131,158.07/x
  3. Step 3: Cross multiply
    238,581.12x = 329,243.01 × 131,158.07
  4. Step 4: Simplify right side
    238,581.12x = 43,182,877,752.59
  5. Step 5: Solve for x
    x = 43,182,877,752.59/238,581.12
  6. Step 6: Final answer
    x = 180,998.72

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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.