Home / 102,872.90-154,270.20-36,300.62

Finding the Fourth Proportional to 102,872.90, 154,270.20 and 36,300.62

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Solution

The fourth proportional to 102,872.90, 154,270.20 and 36,300.62 is: 54,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,872.90 : 154,270.20 = 36,300.62 : x
  2. Step 2: Convert to fraction form
    102,872.90/154,270.20 = 36,300.62/x
  3. Step 3: Cross multiply
    102,872.90x = 154,270.20 × 36,300.62
  4. Step 4: Simplify right side
    102,872.90x = 5,600,103,907.52
  5. Step 5: Solve for x
    x = 5,600,103,907.52/102,872.90
  6. Step 6: Final answer
    x = 54,437.12

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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.