Home / 119,975.83-179,945.28-40,015.21

Finding the Fourth Proportional to 119,975.83, 179,945.28 and 40,015.21

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Solution

The fourth proportional to 119,975.83, 179,945.28 and 40,015.21 is: 60,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,975.83 : 179,945.28 = 40,015.21 : x
  2. Step 2: Convert to fraction form
    119,975.83/179,945.28 = 40,015.21/x
  3. Step 3: Cross multiply
    119,975.83x = 179,945.28 × 40,015.21
  4. Step 4: Simplify right side
    119,975.83x = 7,200,548,167.71
  5. Step 5: Solve for x
    x = 7,200,548,167.71/119,975.83
  6. Step 6: Final answer
    x = 60,016.66

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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.