Home / 119,991.43-180,039.69-56,856.62

Finding the Fourth Proportional to 119,991.43, 180,039.69 and 56,856.62

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Solution

The fourth proportional to 119,991.43, 180,039.69 and 56,856.62 is: 85,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,991.43 : 180,039.69 = 56,856.62 : x
  2. Step 2: Convert to fraction form
    119,991.43/180,039.69 = 56,856.62/x
  3. Step 3: Cross multiply
    119,991.43x = 180,039.69 × 56,856.62
  4. Step 4: Simplify right side
    119,991.43x = 10,236,448,239.25
  5. Step 5: Solve for x
    x = 10,236,448,239.25/119,991.43
  6. Step 6: Final answer
    x = 85,309.83

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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.