Home / 143,462.60-214,934.70-126,873.80

Finding the Fourth Proportional to 143,462.60, 214,934.70 and 126,873.80

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Solution

The fourth proportional to 143,462.60, 214,934.70 and 126,873.80 is: 190,081.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,462.60 : 214,934.70 = 126,873.80 : x
  2. Step 2: Convert to fraction form
    143,462.60/214,934.70 = 126,873.80/x
  3. Step 3: Cross multiply
    143,462.60x = 214,934.70 × 126,873.80
  4. Step 4: Simplify right side
    143,462.60x = 27,269,582,140.86
  5. Step 5: Solve for x
    x = 27,269,582,140.86/143,462.60
  6. Step 6: Final answer
    x = 190,081.47

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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.