Home / 142,027.43-212,879.27-88,744.01

Finding the Fourth Proportional to 142,027.43, 212,879.27 and 88,744.01

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Solution

The fourth proportional to 142,027.43, 212,879.27 and 88,744.01 is: 133,014.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,027.43 : 212,879.27 = 88,744.01 : x
  2. Step 2: Convert to fraction form
    142,027.43/212,879.27 = 88,744.01/x
  3. Step 3: Cross multiply
    142,027.43x = 212,879.27 × 88,744.01
  4. Step 4: Simplify right side
    142,027.43x = 18,891,758,557.56
  5. Step 5: Solve for x
    x = 18,891,758,557.56/142,027.43
  6. Step 6: Final answer
    x = 133,014.86

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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.