Home / 168,489.12-232,511.88-93,036

Finding the Fourth Proportional to 168,489.12, 232,511.88 and 93,036

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Solution

The fourth proportional to 168,489.12, 232,511.88 and 93,036 is: 128,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,489.12 : 232,511.88 = 93,036 : x
  2. Step 2: Convert to fraction form
    168,489.12/232,511.88 = 93,036/x
  3. Step 3: Cross multiply
    168,489.12x = 232,511.88 × 93,036
  4. Step 4: Simplify right side
    168,489.12x = 21,631,975,267.68
  5. Step 5: Solve for x
    x = 21,631,975,267.68/168,489.12
  6. Step 6: Final answer
    x = 128,387.97

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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.