Home / 151,979.67-209,757.99-88,354.37

Finding the Fourth Proportional to 151,979.67, 209,757.99 and 88,354.37

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Solution

The fourth proportional to 151,979.67, 209,757.99 and 88,354.37 is: 121,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,979.67 : 209,757.99 = 88,354.37 : x
  2. Step 2: Convert to fraction form
    151,979.67/209,757.99 = 88,354.37/x
  3. Step 3: Cross multiply
    151,979.67x = 209,757.99 × 88,354.37
  4. Step 4: Simplify right side
    151,979.67x = 18,533,035,417.65
  5. Step 5: Solve for x
    x = 18,533,035,417.65/151,979.67
  6. Step 6: Final answer
    x = 121,944.17

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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.