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Finding the Fourth Proportional to 140,461.52, 193,837.08 and 80,029.52

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Solution

The fourth proportional to 140,461.52, 193,837.08 and 80,029.52 is: 110,440.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,461.52 : 193,837.08 = 80,029.52 : x
  2. Step 2: Convert to fraction form
    140,461.52/193,837.08 = 80,029.52/x
  3. Step 3: Cross multiply
    140,461.52x = 193,837.08 × 80,029.52
  4. Step 4: Simplify right side
    140,461.52x = 15,512,688,470.60
  5. Step 5: Solve for x
    x = 15,512,688,470.60/140,461.52
  6. Step 6: Final answer
    x = 110,440.84

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1.5x scale

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.