Home / 120,811.04-181,222.80-30,854.59

Finding the Fourth Proportional to 120,811.04, 181,222.80 and 30,854.59

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Solution

The fourth proportional to 120,811.04, 181,222.80 and 30,854.59 is: 46,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,811.04 : 181,222.80 = 30,854.59 : x
  2. Step 2: Convert to fraction form
    120,811.04/181,222.80 = 30,854.59/x
  3. Step 3: Cross multiply
    120,811.04x = 181,222.80 × 30,854.59
  4. Step 4: Simplify right side
    120,811.04x = 5,591,554,286.54
  5. Step 5: Solve for x
    x = 5,591,554,286.54/120,811.04
  6. Step 6: Final answer
    x = 46,283.47

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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.