Home / 140,988.48-211,495.14-39,787.43

Finding the Fourth Proportional to 140,988.48, 211,495.14 and 39,787.43

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Solution

The fourth proportional to 140,988.48, 211,495.14 and 39,787.43 is: 59,684.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,988.48 : 211,495.14 = 39,787.43 : x
  2. Step 2: Convert to fraction form
    140,988.48/211,495.14 = 39,787.43/x
  3. Step 3: Cross multiply
    140,988.48x = 211,495.14 × 39,787.43
  4. Step 4: Simplify right side
    140,988.48x = 8,414,847,020.61
  5. Step 5: Solve for x
    x = 8,414,847,020.61/140,988.48
  6. Step 6: Final answer
    x = 59,684.64

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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.