Home / 115,741.20-173,669.40-45,622.80

Finding the Fourth Proportional to 115,741.20, 173,669.40 and 45,622.80

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Solution

The fourth proportional to 115,741.20, 173,669.40 and 45,622.80 is: 68,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,741.20 : 173,669.40 = 45,622.80 : x
  2. Step 2: Convert to fraction form
    115,741.20/173,669.40 = 45,622.80/x
  3. Step 3: Cross multiply
    115,741.20x = 173,669.40 × 45,622.80
  4. Step 4: Simplify right side
    115,741.20x = 7,923,284,302.32
  5. Step 5: Solve for x
    x = 7,923,284,302.32/115,741.20
  6. Step 6: Final answer
    x = 68,456.90

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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.