Home / 148,854.62-205,421.70-80,872.94

Finding the Fourth Proportional to 148,854.62, 205,421.70 and 80,872.94

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Solution

The fourth proportional to 148,854.62, 205,421.70 and 80,872.94 is: 111,605.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,854.62 : 205,421.70 = 80,872.94 : x
  2. Step 2: Convert to fraction form
    148,854.62/205,421.70 = 80,872.94/x
  3. Step 3: Cross multiply
    148,854.62x = 205,421.70 × 80,872.94
  4. Step 4: Simplify right side
    148,854.62x = 16,613,055,791.69
  5. Step 5: Solve for x
    x = 16,613,055,791.69/148,854.62
  6. Step 6: Final answer
    x = 111,605.92

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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.