Home / 127,542.20-191,350.65-52,666.61

Finding the Fourth Proportional to 127,542.20, 191,350.65 and 52,666.61

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Solution

The fourth proportional to 127,542.20, 191,350.65 and 52,666.61 is: 79,015.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,542.20 : 191,350.65 = 52,666.61 : x
  2. Step 2: Convert to fraction form
    127,542.20/191,350.65 = 52,666.61/x
  3. Step 3: Cross multiply
    127,542.20x = 191,350.65 × 52,666.61
  4. Step 4: Simplify right side
    127,542.20x = 10,077,789,297.54
  5. Step 5: Solve for x
    x = 10,077,789,297.54/127,542.20
  6. Step 6: Final answer
    x = 79,015.34

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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.