Home / 143,917.36-215,874.52-49,146.45

Finding the Fourth Proportional to 143,917.36, 215,874.52 and 49,146.45

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Solution

The fourth proportional to 143,917.36, 215,874.52 and 49,146.45 is: 73,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,917.36 : 215,874.52 = 49,146.45 : x
  2. Step 2: Convert to fraction form
    143,917.36/215,874.52 = 49,146.45/x
  3. Step 3: Cross multiply
    143,917.36x = 215,874.52 × 49,146.45
  4. Step 4: Simplify right side
    143,917.36x = 10,609,465,371.06
  5. Step 5: Solve for x
    x = 10,609,465,371.06/143,917.36
  6. Step 6: Final answer
    x = 73,719.15

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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.