Home / 143,397.14-215,095.64-43,556.94

Finding the Fourth Proportional to 143,397.14, 215,095.64 and 43,556.94

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Solution

The fourth proportional to 143,397.14, 215,095.64 and 43,556.94 is: 65,335.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,397.14 : 215,095.64 = 43,556.94 : x
  2. Step 2: Convert to fraction form
    143,397.14/215,095.64 = 43,556.94/x
  3. Step 3: Cross multiply
    143,397.14x = 215,095.64 × 43,556.94
  4. Step 4: Simplify right side
    143,397.14x = 9,368,907,667.96
  5. Step 5: Solve for x
    x = 9,368,907,667.96/143,397.14
  6. Step 6: Final answer
    x = 65,335.39

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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.