Home / 161,860.87-223,288.61-108,159.09

Finding the Fourth Proportional to 161,860.87, 223,288.61 and 108,159.09

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Solution

The fourth proportional to 161,860.87, 223,288.61 and 108,159.09 is: 149,206.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,860.87 : 223,288.61 = 108,159.09 : x
  2. Step 2: Convert to fraction form
    161,860.87/223,288.61 = 108,159.09/x
  3. Step 3: Cross multiply
    161,860.87x = 223,288.61 × 108,159.09
  4. Step 4: Simplify right side
    161,860.87x = 24,150,692,864.96
  5. Step 5: Solve for x
    x = 24,150,692,864.96/161,860.87
  6. Step 6: Final answer
    x = 149,206.49

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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.