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Finding the Fourth Proportional to 140,803.54, 211,205.46 and 35,622.48

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Solution

The fourth proportional to 140,803.54, 211,205.46 and 35,622.48 is: 53,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,803.54 : 211,205.46 = 35,622.48 : x
  2. Step 2: Convert to fraction form
    140,803.54/211,205.46 = 35,622.48/x
  3. Step 3: Cross multiply
    140,803.54x = 211,205.46 × 35,622.48
  4. Step 4: Simplify right side
    140,803.54x = 7,523,662,274.74
  5. Step 5: Solve for x
    x = 7,523,662,274.74/140,803.54
  6. Step 6: Final answer
    x = 53,433.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.