Home / 140,916.45-194,464.70-77,254.69

Finding the Fourth Proportional to 140,916.45, 194,464.70 and 77,254.69

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Solution

The fourth proportional to 140,916.45, 194,464.70 and 77,254.69 is: 106,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,916.45 : 194,464.70 = 77,254.69 : x
  2. Step 2: Convert to fraction form
    140,916.45/194,464.70 = 77,254.69/x
  3. Step 3: Cross multiply
    140,916.45x = 194,464.70 × 77,254.69
  4. Step 4: Simplify right side
    140,916.45x = 15,023,310,114.44
  5. Step 5: Solve for x
    x = 15,023,310,114.44/140,916.45
  6. Step 6: Final answer
    x = 106,611.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.