Home / 102,183.29-140,933.05-66,384.83

Finding the Fourth Proportional to 102,183.29, 140,933.05 and 66,384.83

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Solution

The fourth proportional to 102,183.29, 140,933.05 and 66,384.83 is: 91,559.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,183.29 : 140,933.05 = 66,384.83 : x
  2. Step 2: Convert to fraction form
    102,183.29/140,933.05 = 66,384.83/x
  3. Step 3: Cross multiply
    102,183.29x = 140,933.05 × 66,384.83
  4. Step 4: Simplify right side
    102,183.29x = 9,355,816,565.63
  5. Step 5: Solve for x
    x = 9,355,816,565.63/102,183.29
  6. Step 6: Final answer
    x = 91,559.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.