Home / 68,714.91-103,075.47-18,793.89

Finding the Fourth Proportional to 68,714.91, 103,075.47 and 18,793.89

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Solution

The fourth proportional to 68,714.91, 103,075.47 and 18,793.89 is: 28,191.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,714.91 : 103,075.47 = 18,793.89 : x
  2. Step 2: Convert to fraction form
    68,714.91/103,075.47 = 18,793.89/x
  3. Step 3: Cross multiply
    68,714.91x = 103,075.47 × 18,793.89
  4. Step 4: Simplify right side
    68,714.91x = 1,937,189,044.88
  5. Step 5: Solve for x
    x = 1,937,189,044.88/68,714.91
  6. Step 6: Final answer
    x = 28,191.68

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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.