Home / 140,672.50-210,997.71-61,787.38

Finding the Fourth Proportional to 140,672.50, 210,997.71 and 61,787.38

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Solution

The fourth proportional to 140,672.50, 210,997.71 and 61,787.38 is: 92,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,672.50 : 210,997.71 = 61,787.38 : x
  2. Step 2: Convert to fraction form
    140,672.50/210,997.71 = 61,787.38/x
  3. Step 3: Cross multiply
    140,672.50x = 210,997.71 × 61,787.38
  4. Step 4: Simplify right side
    140,672.50x = 13,036,995,686.90
  5. Step 5: Solve for x
    x = 13,036,995,686.90/140,672.50
  6. Step 6: Final answer
    x = 92,676.22

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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.