Home / 115,499.40-173,249.10-109,084.20

Finding the Fourth Proportional to 115,499.40, 173,249.10 and 109,084.20

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Solution

The fourth proportional to 115,499.40, 173,249.10 and 109,084.20 is: 163,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,499.40 : 173,249.10 = 109,084.20 : x
  2. Step 2: Convert to fraction form
    115,499.40/173,249.10 = 109,084.20/x
  3. Step 3: Cross multiply
    115,499.40x = 173,249.10 × 109,084.20
  4. Step 4: Simplify right side
    115,499.40x = 18,898,739,474.22
  5. Step 5: Solve for x
    x = 18,898,739,474.22/115,499.40
  6. Step 6: Final answer
    x = 163,626.30

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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.