Home / 135,982.47-203,967.54-47,242.92

Finding the Fourth Proportional to 135,982.47, 203,967.54 and 47,242.92

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Solution

The fourth proportional to 135,982.47, 203,967.54 and 47,242.92 is: 70,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,982.47 : 203,967.54 = 47,242.92 : x
  2. Step 2: Convert to fraction form
    135,982.47/203,967.54 = 47,242.92/x
  3. Step 3: Cross multiply
    135,982.47x = 203,967.54 × 47,242.92
  4. Step 4: Simplify right side
    135,982.47x = 9,636,022,174.82
  5. Step 5: Solve for x
    x = 9,636,022,174.82/135,982.47
  6. Step 6: Final answer
    x = 70,862.24

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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.