Home / 106,311.36-159,486.66-43,986.72

Finding the Fourth Proportional to 106,311.36, 159,486.66 and 43,986.72

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Solution

The fourth proportional to 106,311.36, 159,486.66 and 43,986.72 is: 65,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,311.36 : 159,486.66 = 43,986.72 : x
  2. Step 2: Convert to fraction form
    106,311.36/159,486.66 = 43,986.72/x
  3. Step 3: Cross multiply
    106,311.36x = 159,486.66 × 43,986.72
  4. Step 4: Simplify right side
    106,311.36x = 7,015,295,057.16
  5. Step 5: Solve for x
    x = 7,015,295,057.16/106,311.36
  6. Step 6: Final answer
    x = 65,988.20

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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.