Home / 140,328.55-193,627.02-79,895.53

Finding the Fourth Proportional to 140,328.55, 193,627.02 and 79,895.53

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Solution

The fourth proportional to 140,328.55, 193,627.02 and 79,895.53 is: 110,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,328.55 : 193,627.02 = 79,895.53 : x
  2. Step 2: Convert to fraction form
    140,328.55/193,627.02 = 79,895.53/x
  3. Step 3: Cross multiply
    140,328.55x = 193,627.02 × 79,895.53
  4. Step 4: Simplify right side
    140,328.55x = 15,469,933,385.22
  5. Step 5: Solve for x
    x = 15,469,933,385.22/140,328.55
  6. Step 6: Final answer
    x = 110,240.81

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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.