Home / 119,231.59-178,873.66-66,001.21

Finding the Fourth Proportional to 119,231.59, 178,873.66 and 66,001.21

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Solution

The fourth proportional to 119,231.59, 178,873.66 and 66,001.21 is: 99,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,231.59 : 178,873.66 = 66,001.21 : x
  2. Step 2: Convert to fraction form
    119,231.59/178,873.66 = 66,001.21/x
  3. Step 3: Cross multiply
    119,231.59x = 178,873.66 × 66,001.21
  4. Step 4: Simplify right side
    119,231.59x = 11,805,878,135.53
  5. Step 5: Solve for x
    x = 11,805,878,135.53/119,231.59
  6. Step 6: Final answer
    x = 99,016.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.