Home / 124,183.30-186,276.66-35,436.78

Finding the Fourth Proportional to 124,183.30, 186,276.66 and 35,436.78

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Solution

The fourth proportional to 124,183.30, 186,276.66 and 35,436.78 is: 53,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,183.30 : 186,276.66 = 35,436.78 : x
  2. Step 2: Convert to fraction form
    124,183.30/186,276.66 = 35,436.78/x
  3. Step 3: Cross multiply
    124,183.30x = 186,276.66 × 35,436.78
  4. Step 4: Simplify right side
    124,183.30x = 6,601,045,019.55
  5. Step 5: Solve for x
    x = 6,601,045,019.55/124,183.30
  6. Step 6: Final answer
    x = 53,155.66

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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.