Home / 193,244.10-289,916.55-74,919.30

Finding the Fourth Proportional to 193,244.10, 289,916.55 and 74,919.30

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Solution

The fourth proportional to 193,244.10, 289,916.55 and 74,919.30 is: 112,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,244.10 : 289,916.55 = 74,919.30 : x
  2. Step 2: Convert to fraction form
    193,244.10/289,916.55 = 74,919.30/x
  3. Step 3: Cross multiply
    193,244.10x = 289,916.55 × 74,919.30
  4. Step 4: Simplify right side
    193,244.10x = 21,720,344,984.42
  5. Step 5: Solve for x
    x = 21,720,344,984.42/193,244.10
  6. Step 6: Final answer
    x = 112,398.49

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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.