Home / 80,162.12-120,259.58-27,564.77

Finding the Fourth Proportional to 80,162.12, 120,259.58 and 27,564.77

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Solution

The fourth proportional to 80,162.12, 120,259.58 and 27,564.77 is: 41,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,162.12 : 120,259.58 = 27,564.77 : x
  2. Step 2: Convert to fraction form
    80,162.12/120,259.58 = 27,564.77/x
  3. Step 3: Cross multiply
    80,162.12x = 120,259.58 × 27,564.77
  4. Step 4: Simplify right side
    80,162.12x = 3,314,927,663.00
  5. Step 5: Solve for x
    x = 3,314,927,663.00/80,162.12
  6. Step 6: Final answer
    x = 41,352.79

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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.