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Finding the Fourth Proportional to 140,903.52, 211,158 and 101,274.72

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Solution

The fourth proportional to 140,903.52, 211,158 and 101,274.72 is: 151,770.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,903.52 : 211,158 = 101,274.72 : x
  2. Step 2: Convert to fraction form
    140,903.52/211,158 = 101,274.72/x
  3. Step 3: Cross multiply
    140,903.52x = 211,158 × 101,274.72
  4. Step 4: Simplify right side
    140,903.52x = 21,384,967,325.76
  5. Step 5: Solve for x
    x = 21,384,967,325.76/140,903.52
  6. Step 6: Final answer
    x = 151,770.28

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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.