Home / 143,470.58-215,197.56-54,733.05

Finding the Fourth Proportional to 143,470.58, 215,197.56 and 54,733.05

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Solution

The fourth proportional to 143,470.58, 215,197.56 and 54,733.05 is: 82,096.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,470.58 : 215,197.56 = 54,733.05 : x
  2. Step 2: Convert to fraction form
    143,470.58/215,197.56 = 54,733.05/x
  3. Step 3: Cross multiply
    143,470.58x = 215,197.56 × 54,733.05
  4. Step 4: Simplify right side
    143,470.58x = 11,778,418,811.36
  5. Step 5: Solve for x
    x = 11,778,418,811.36/143,470.58
  6. Step 6: Final answer
    x = 82,096.41

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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.