Home / 102,002.10-153,003.15-100,274.10

Finding the Fourth Proportional to 102,002.10, 153,003.15 and 100,274.10

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Solution

The fourth proportional to 102,002.10, 153,003.15 and 100,274.10 is: 150,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,002.10 : 153,003.15 = 100,274.10 : x
  2. Step 2: Convert to fraction form
    102,002.10/153,003.15 = 100,274.10/x
  3. Step 3: Cross multiply
    102,002.10x = 153,003.15 × 100,274.10
  4. Step 4: Simplify right side
    102,002.10x = 15,342,253,163.42
  5. Step 5: Solve for x
    x = 15,342,253,163.42/102,002.10
  6. Step 6: Final answer
    x = 150,411.15

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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.