Home / 161,918.72-223,437.24-89,317.24

Finding the Fourth Proportional to 161,918.72, 223,437.24 and 89,317.24

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Solution

The fourth proportional to 161,918.72, 223,437.24 and 89,317.24 is: 123,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,918.72 : 223,437.24 = 89,317.24 : x
  2. Step 2: Convert to fraction form
    161,918.72/223,437.24 = 89,317.24/x
  3. Step 3: Cross multiply
    161,918.72x = 223,437.24 × 89,317.24
  4. Step 4: Simplify right side
    161,918.72x = 19,956,797,590.02
  5. Step 5: Solve for x
    x = 19,956,797,590.02/161,918.72
  6. Step 6: Final answer
    x = 123,251.95

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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.