Home / 142,775.45-214,163.66-36,159.37

Finding the Fourth Proportional to 142,775.45, 214,163.66 and 36,159.37

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Solution

The fourth proportional to 142,775.45, 214,163.66 and 36,159.37 is: 54,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,775.45 : 214,163.66 = 36,159.37 : x
  2. Step 2: Convert to fraction form
    142,775.45/214,163.66 = 36,159.37/x
  3. Step 3: Cross multiply
    142,775.45x = 214,163.66 × 36,159.37
  4. Step 4: Simplify right side
    142,775.45x = 7,744,023,022.49
  5. Step 5: Solve for x
    x = 7,744,023,022.49/142,775.45
  6. Step 6: Final answer
    x = 54,239.18

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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.