Home / 146,665.68-220,037.40-53,185.20

Finding the Fourth Proportional to 146,665.68, 220,037.40 and 53,185.20

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Solution

The fourth proportional to 146,665.68, 220,037.40 and 53,185.20 is: 79,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,665.68 : 220,037.40 = 53,185.20 : x
  2. Step 2: Convert to fraction form
    146,665.68/220,037.40 = 53,185.20/x
  3. Step 3: Cross multiply
    146,665.68x = 220,037.40 × 53,185.20
  4. Step 4: Simplify right side
    146,665.68x = 11,702,733,126.48
  5. Step 5: Solve for x
    x = 11,702,733,126.48/146,665.68
  6. Step 6: Final answer
    x = 79,791.90

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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.