Home / 90,183.60-124,445.18-51,932.96

Finding the Fourth Proportional to 90,183.60, 124,445.18 and 51,932.96

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Solution

The fourth proportional to 90,183.60, 124,445.18 and 51,932.96 is: 71,662.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,183.60 : 124,445.18 = 51,932.96 : x
  2. Step 2: Convert to fraction form
    90,183.60/124,445.18 = 51,932.96/x
  3. Step 3: Cross multiply
    90,183.60x = 124,445.18 × 51,932.96
  4. Step 4: Simplify right side
    90,183.60x = 6,462,806,555.13
  5. Step 5: Solve for x
    x = 6,462,806,555.13/90,183.60
  6. Step 6: Final answer
    x = 71,662.77

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1.5x scale

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.