Home / 120,820.04-181,160.60-49,791.71

Finding the Fourth Proportional to 120,820.04, 181,160.60 and 49,791.71

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Solution

The fourth proportional to 120,820.04, 181,160.60 and 49,791.71 is: 74,658.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,820.04 : 181,160.60 = 49,791.71 : x
  2. Step 2: Convert to fraction form
    120,820.04/181,160.60 = 49,791.71/x
  3. Step 3: Cross multiply
    120,820.04x = 181,160.60 × 49,791.71
  4. Step 4: Simplify right side
    120,820.04x = 9,020,296,542.65
  5. Step 5: Solve for x
    x = 9,020,296,542.65/120,820.04
  6. Step 6: Final answer
    x = 74,658.94

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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.