Home / 251,776.10-347,372.61-142,862.42

Finding the Fourth Proportional to 251,776.10, 347,372.61 and 142,862.42

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Solution

The fourth proportional to 251,776.10, 347,372.61 and 142,862.42 is: 197,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,776.10 : 347,372.61 = 142,862.42 : x
  2. Step 2: Convert to fraction form
    251,776.10/347,372.61 = 142,862.42/x
  3. Step 3: Cross multiply
    251,776.10x = 347,372.61 × 142,862.42
  4. Step 4: Simplify right side
    251,776.10x = 49,626,491,706.32
  5. Step 5: Solve for x
    x = 49,626,491,706.32/251,776.10
  6. Step 6: Final answer
    x = 197,105.65

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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.