Home / 90,183.14-135,293.15-31,011.12

Finding the Fourth Proportional to 90,183.14, 135,293.15 and 31,011.12

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Solution

The fourth proportional to 90,183.14, 135,293.15 and 31,011.12 is: 46,523.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,183.14 : 135,293.15 = 31,011.12 : x
  2. Step 2: Convert to fraction form
    90,183.14/135,293.15 = 31,011.12/x
  3. Step 3: Cross multiply
    90,183.14x = 135,293.15 × 31,011.12
  4. Step 4: Simplify right side
    90,183.14x = 4,195,592,187.36
  5. Step 5: Solve for x
    x = 4,195,592,187.36/90,183.14
  6. Step 6: Final answer
    x = 46,523.02

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1.5x scale

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.