Home / 161,919.74-223,372.98-105,310.46

Finding the Fourth Proportional to 161,919.74, 223,372.98 and 105,310.46

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Solution

The fourth proportional to 161,919.74, 223,372.98 and 105,310.46 is: 145,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,919.74 : 223,372.98 = 105,310.46 : x
  2. Step 2: Convert to fraction form
    161,919.74/223,372.98 = 105,310.46/x
  3. Step 3: Cross multiply
    161,919.74x = 223,372.98 × 105,310.46
  4. Step 4: Simplify right side
    161,919.74x = 23,523,511,275.37
  5. Step 5: Solve for x
    x = 23,523,511,275.37/161,919.74
  6. Step 6: Final answer
    x = 145,278.84

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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.