Home / 143,835.85-215,755.61-55,094.68

Finding the Fourth Proportional to 143,835.85, 215,755.61 and 55,094.68

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Solution

The fourth proportional to 143,835.85, 215,755.61 and 55,094.68 is: 82,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,835.85 : 215,755.61 = 55,094.68 : x
  2. Step 2: Convert to fraction form
    143,835.85/215,755.61 = 55,094.68/x
  3. Step 3: Cross multiply
    143,835.85x = 215,755.61 × 55,094.68
  4. Step 4: Simplify right side
    143,835.85x = 11,886,986,291.15
  5. Step 5: Solve for x
    x = 11,886,986,291.15/143,835.85
  6. Step 6: Final answer
    x = 82,642.72

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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.