Home / 243,629.29-365,443.62-66,162.34

Finding the Fourth Proportional to 243,629.29, 365,443.62 and 66,162.34

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Solution

The fourth proportional to 243,629.29, 365,443.62 and 66,162.34 is: 99,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,629.29 : 365,443.62 = 66,162.34 : x
  2. Step 2: Convert to fraction form
    243,629.29/365,443.62 = 66,162.34/x
  3. Step 3: Cross multiply
    243,629.29x = 365,443.62 × 66,162.34
  4. Step 4: Simplify right side
    243,629.29x = 24,178,605,037.27
  5. Step 5: Solve for x
    x = 24,178,605,037.27/243,629.29
  6. Step 6: Final answer
    x = 99,243.42

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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.