Home / 144,615.12-217,062.96-69,787.94

Finding the Fourth Proportional to 144,615.12, 217,062.96 and 69,787.94

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Solution

The fourth proportional to 144,615.12, 217,062.96 and 69,787.94 is: 104,749.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,615.12 : 217,062.96 = 69,787.94 : x
  2. Step 2: Convert to fraction form
    144,615.12/217,062.96 = 69,787.94/x
  3. Step 3: Cross multiply
    144,615.12x = 217,062.96 × 69,787.94
  4. Step 4: Simplify right side
    144,615.12x = 15,148,376,828.70
  5. Step 5: Solve for x
    x = 15,148,376,828.70/144,615.12
  6. Step 6: Final answer
    x = 104,749.61

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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.