Home / 102,199.28-153,299.61-35,639.15

Finding the Fourth Proportional to 102,199.28, 153,299.61 and 35,639.15

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Solution

The fourth proportional to 102,199.28, 153,299.61 and 35,639.15 is: 53,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,199.28 : 153,299.61 = 35,639.15 : x
  2. Step 2: Convert to fraction form
    102,199.28/153,299.61 = 35,639.15/x
  3. Step 3: Cross multiply
    102,199.28x = 153,299.61 × 35,639.15
  4. Step 4: Simplify right side
    102,199.28x = 5,463,467,617.54
  5. Step 5: Solve for x
    x = 5,463,467,617.54/102,199.28
  6. Step 6: Final answer
    x = 53,458.96

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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.