Home / 90,177.60-135,094.24-50,614.72

Finding the Fourth Proportional to 90,177.60, 135,094.24 and 50,614.72

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Solution

The fourth proportional to 90,177.60, 135,094.24 and 50,614.72 is: 75,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,177.60 : 135,094.24 = 50,614.72 : x
  2. Step 2: Convert to fraction form
    90,177.60/135,094.24 = 50,614.72/x
  3. Step 3: Cross multiply
    90,177.60x = 135,094.24 × 50,614.72
  4. Step 4: Simplify right side
    90,177.60x = 6,837,757,131.21
  5. Step 5: Solve for x
    x = 6,837,757,131.21/90,177.60
  6. Step 6: Final answer
    x = 75,825.45

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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.