Home / 119,991.39-179,987.07-31,244.64

Finding the Fourth Proportional to 119,991.39, 179,987.07 and 31,244.64

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Solution

The fourth proportional to 119,991.39, 179,987.07 and 31,244.64 is: 46,866.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,991.39 : 179,987.07 = 31,244.64 : x
  2. Step 2: Convert to fraction form
    119,991.39/179,987.07 = 31,244.64/x
  3. Step 3: Cross multiply
    119,991.39x = 179,987.07 × 31,244.64
  4. Step 4: Simplify right side
    119,991.39x = 5,623,631,206.80
  5. Step 5: Solve for x
    x = 5,623,631,206.80/119,991.39
  6. Step 6: Final answer
    x = 46,866.96

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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.