Home / 238,742.52-329,464.98-131,312.76

Finding the Fourth Proportional to 238,742.52, 329,464.98 and 131,312.76

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Solution

The fourth proportional to 238,742.52, 329,464.98 and 131,312.76 is: 181,211.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,742.52 : 329,464.98 = 131,312.76 : x
  2. Step 2: Convert to fraction form
    238,742.52/329,464.98 = 131,312.76/x
  3. Step 3: Cross multiply
    238,742.52x = 329,464.98 × 131,312.76
  4. Step 4: Simplify right side
    238,742.52x = 43,262,955,847.14
  5. Step 5: Solve for x
    x = 43,262,955,847.14/238,742.52
  6. Step 6: Final answer
    x = 181,211.78

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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.