Home / 91,178.08-125,832.09-50,899.71

Finding the Fourth Proportional to 91,178.08, 125,832.09 and 50,899.71

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Solution

The fourth proportional to 91,178.08, 125,832.09 and 50,899.71 is: 70,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,178.08 : 125,832.09 = 50,899.71 : x
  2. Step 2: Convert to fraction form
    91,178.08/125,832.09 = 50,899.71/x
  3. Step 3: Cross multiply
    91,178.08x = 125,832.09 × 50,899.71
  4. Step 4: Simplify right side
    91,178.08x = 6,404,816,889.69
  5. Step 5: Solve for x
    x = 6,404,816,889.69/91,178.08
  6. Step 6: Final answer
    x = 70,245.14

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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.