Home / 238,643.22-329,318.79-131,206.86

Finding the Fourth Proportional to 238,643.22, 329,318.79 and 131,206.86

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Solution

The fourth proportional to 238,643.22, 329,318.79 and 131,206.86 is: 181,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,643.22 : 329,318.79 = 131,206.86 : x
  2. Step 2: Convert to fraction form
    238,643.22/329,318.79 = 131,206.86/x
  3. Step 3: Cross multiply
    238,643.22x = 329,318.79 × 131,206.86
  4. Step 4: Simplify right side
    238,643.22x = 43,208,884,374.90
  5. Step 5: Solve for x
    x = 43,208,884,374.90/238,643.22
  6. Step 6: Final answer
    x = 181,060.60

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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.