Home / 142,057.38-212,936.26-47,262.17

Finding the Fourth Proportional to 142,057.38, 212,936.26 and 47,262.17

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Solution

The fourth proportional to 142,057.38, 212,936.26 and 47,262.17 is: 70,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,057.38 : 212,936.26 = 47,262.17 : x
  2. Step 2: Convert to fraction form
    142,057.38/212,936.26 = 47,262.17/x
  3. Step 3: Cross multiply
    142,057.38x = 212,936.26 × 47,262.17
  4. Step 4: Simplify right side
    142,057.38x = 10,063,829,719.28
  5. Step 5: Solve for x
    x = 10,063,829,719.28/142,057.38
  6. Step 6: Final answer
    x = 70,843.41

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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.