Home / 115,410.20-173,147.70-56,247.80

Finding the Fourth Proportional to 115,410.20, 173,147.70 and 56,247.80

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Solution

The fourth proportional to 115,410.20, 173,147.70 and 56,247.80 is: 84,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,410.20 : 173,147.70 = 56,247.80 : x
  2. Step 2: Convert to fraction form
    115,410.20/173,147.70 = 56,247.80/x
  3. Step 3: Cross multiply
    115,410.20x = 173,147.70 × 56,247.80
  4. Step 4: Simplify right side
    115,410.20x = 9,739,177,200.06
  5. Step 5: Solve for x
    x = 9,739,177,200.06/115,410.20
  6. Step 6: Final answer
    x = 84,387.49

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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.