Home / 140,257.61-193,427.30-109,634.75

Finding the Fourth Proportional to 140,257.61, 193,427.30 and 109,634.75

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Solution

The fourth proportional to 140,257.61, 193,427.30 and 109,634.75 is: 151,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,257.61 : 193,427.30 = 109,634.75 : x
  2. Step 2: Convert to fraction form
    140,257.61/193,427.30 = 109,634.75/x
  3. Step 3: Cross multiply
    140,257.61x = 193,427.30 × 109,634.75
  4. Step 4: Simplify right side
    140,257.61x = 21,206,353,130.50
  5. Step 5: Solve for x
    x = 21,206,353,130.50/140,257.61
  6. Step 6: Final answer
    x = 151,195.74

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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.