Home / 162,042.75-243,063.39-43,725.87

Finding the Fourth Proportional to 162,042.75, 243,063.39 and 43,725.87

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Solution

The fourth proportional to 162,042.75, 243,063.39 and 43,725.87 is: 65,588.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,042.75 : 243,063.39 = 43,725.87 : x
  2. Step 2: Convert to fraction form
    162,042.75/243,063.39 = 43,725.87/x
  3. Step 3: Cross multiply
    162,042.75x = 243,063.39 × 43,725.87
  4. Step 4: Simplify right side
    162,042.75x = 10,628,158,192.90
  5. Step 5: Solve for x
    x = 10,628,158,192.90/162,042.75
  6. Step 6: Final answer
    x = 65,588.61

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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.