Home / 119,955.64-179,939.96-31,209.36

Finding the Fourth Proportional to 119,955.64, 179,939.96 and 31,209.36

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Solution

The fourth proportional to 119,955.64, 179,939.96 and 31,209.36 is: 46,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,955.64 : 179,939.96 = 31,209.36 : x
  2. Step 2: Convert to fraction form
    119,955.64/179,939.96 = 31,209.36/x
  3. Step 3: Cross multiply
    119,955.64x = 179,939.96 × 31,209.36
  4. Step 4: Simplify right side
    119,955.64x = 5,615,810,990.03
  5. Step 5: Solve for x
    x = 5,615,810,990.03/119,955.64
  6. Step 6: Final answer
    x = 46,815.73

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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.