Home / 119,976.64-179,971.50-31,230.40

Finding the Fourth Proportional to 119,976.64, 179,971.50 and 31,230.40

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Solution

The fourth proportional to 119,976.64, 179,971.50 and 31,230.40 is: 46,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,976.64 : 179,971.50 = 31,230.40 : x
  2. Step 2: Convert to fraction form
    119,976.64/179,971.50 = 31,230.40/x
  3. Step 3: Cross multiply
    119,976.64x = 179,971.50 × 31,230.40
  4. Step 4: Simplify right side
    119,976.64x = 5,620,581,933.60
  5. Step 5: Solve for x
    x = 5,620,581,933.60/119,976.64
  6. Step 6: Final answer
    x = 46,847.30

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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.