Home / 143,556.48-215,345.70-43,725.18

Finding the Fourth Proportional to 143,556.48, 215,345.70 and 43,725.18

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Solution

The fourth proportional to 143,556.48, 215,345.70 and 43,725.18 is: 65,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,556.48 : 215,345.70 = 43,725.18 : x
  2. Step 2: Convert to fraction form
    143,556.48/215,345.70 = 43,725.18/x
  3. Step 3: Cross multiply
    143,556.48x = 215,345.70 × 43,725.18
  4. Step 4: Simplify right side
    143,556.48x = 9,416,029,494.73
  5. Step 5: Solve for x
    x = 9,416,029,494.73/143,556.48
  6. Step 6: Final answer
    x = 65,591.11

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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.