Home / 115,385.56-173,099.70-36,519.64

Finding the Fourth Proportional to 115,385.56, 173,099.70 and 36,519.64

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Solution

The fourth proportional to 115,385.56, 173,099.70 and 36,519.64 is: 54,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,385.56 : 173,099.70 = 36,519.64 : x
  2. Step 2: Convert to fraction form
    115,385.56/173,099.70 = 36,519.64/x
  3. Step 3: Cross multiply
    115,385.56x = 173,099.70 × 36,519.64
  4. Step 4: Simplify right side
    115,385.56x = 6,321,538,728.11
  5. Step 5: Solve for x
    x = 6,321,538,728.11/115,385.56
  6. Step 6: Final answer
    x = 54,786.22

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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.