Home / 143,922.11-215,881.64-49,151.21

Finding the Fourth Proportional to 143,922.11, 215,881.64 and 49,151.21

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Solution

The fourth proportional to 143,922.11, 215,881.64 and 49,151.21 is: 73,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,922.11 : 215,881.64 = 49,151.21 : x
  2. Step 2: Convert to fraction form
    143,922.11/215,881.64 = 49,151.21/x
  3. Step 3: Cross multiply
    143,922.11x = 215,881.64 × 49,151.21
  4. Step 4: Simplify right side
    143,922.11x = 10,610,843,822.78
  5. Step 5: Solve for x
    x = 10,610,843,822.78/143,922.11
  6. Step 6: Final answer
    x = 73,726.29

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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.