Home / 238,948.94-329,742.65-131,516.66

Finding the Fourth Proportional to 238,948.94, 329,742.65 and 131,516.66

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Solution

The fourth proportional to 238,948.94, 329,742.65 and 131,516.66 is: 181,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,948.94 : 329,742.65 = 131,516.66 : x
  2. Step 2: Convert to fraction form
    238,948.94/329,742.65 = 131,516.66/x
  3. Step 3: Cross multiply
    238,948.94x = 329,742.65 × 131,516.66
  4. Step 4: Simplify right side
    238,948.94x = 43,366,649,681.25
  5. Step 5: Solve for x
    x = 43,366,649,681.25/238,948.94
  6. Step 6: Final answer
    x = 181,489.19

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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.