Home / 144,780.40-217,093.80-51,289.20

Finding the Fourth Proportional to 144,780.40, 217,093.80 and 51,289.20

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Solution

The fourth proportional to 144,780.40, 217,093.80 and 51,289.20 is: 76,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,780.40 : 217,093.80 = 51,289.20 : x
  2. Step 2: Convert to fraction form
    144,780.40/217,093.80 = 51,289.20/x
  3. Step 3: Cross multiply
    144,780.40x = 217,093.80 × 51,289.20
  4. Step 4: Simplify right side
    144,780.40x = 11,134,567,326.96
  5. Step 5: Solve for x
    x = 11,134,567,326.96/144,780.40
  6. Step 6: Final answer
    x = 76,906.59

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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.