Home / 102,812.38-154,167.99-36,242.83

Finding the Fourth Proportional to 102,812.38, 154,167.99 and 36,242.83

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Solution

The fourth proportional to 102,812.38, 154,167.99 and 36,242.83 is: 54,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,812.38 : 154,167.99 = 36,242.83 : x
  2. Step 2: Convert to fraction form
    102,812.38/154,167.99 = 36,242.83/x
  3. Step 3: Cross multiply
    102,812.38x = 154,167.99 × 36,242.83
  4. Step 4: Simplify right side
    102,812.38x = 5,587,484,377.77
  5. Step 5: Solve for x
    x = 5,587,484,377.77/102,812.38
  6. Step 6: Final answer
    x = 54,346.42

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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.