Home / 102,900.62-154,353.63-28,022.29

Finding the Fourth Proportional to 102,900.62, 154,353.63 and 28,022.29

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Solution

The fourth proportional to 102,900.62, 154,353.63 and 28,022.29 is: 42,034.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,900.62 : 154,353.63 = 28,022.29 : x
  2. Step 2: Convert to fraction form
    102,900.62/154,353.63 = 28,022.29/x
  3. Step 3: Cross multiply
    102,900.62x = 154,353.63 × 28,022.29
  4. Step 4: Simplify right side
    102,900.62x = 4,325,342,182.41
  5. Step 5: Solve for x
    x = 4,325,342,182.41/102,900.62
  6. Step 6: Final answer
    x = 42,034.17

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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.