Home / 90,727.65-135,927.45-73,997.10

Finding the Fourth Proportional to 90,727.65, 135,927.45 and 73,997.10

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Solution

The fourth proportional to 90,727.65, 135,927.45 and 73,997.10 is: 110,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,727.65 : 135,927.45 = 73,997.10 : x
  2. Step 2: Convert to fraction form
    90,727.65/135,927.45 = 73,997.10/x
  3. Step 3: Cross multiply
    90,727.65x = 135,927.45 × 73,997.10
  4. Step 4: Simplify right side
    90,727.65x = 10,058,237,110.40
  5. Step 5: Solve for x
    x = 10,058,237,110.40/90,727.65
  6. Step 6: Final answer
    x = 110,861.87

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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.