Home / 90,313.30-135,469.96-37,685.88

Finding the Fourth Proportional to 90,313.30, 135,469.96 and 37,685.88

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Solution

The fourth proportional to 90,313.30, 135,469.96 and 37,685.88 is: 56,528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,313.30 : 135,469.96 = 37,685.88 : x
  2. Step 2: Convert to fraction form
    90,313.30/135,469.96 = 37,685.88/x
  3. Step 3: Cross multiply
    90,313.30x = 135,469.96 × 37,685.88
  4. Step 4: Simplify right side
    90,313.30x = 5,105,304,889.96
  5. Step 5: Solve for x
    x = 5,105,304,889.96/90,313.30
  6. Step 6: Final answer
    x = 56,528.82

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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.