Home / 102,018.37-153,039.20-27,141.56

Finding the Fourth Proportional to 102,018.37, 153,039.20 and 27,141.56

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Solution

The fourth proportional to 102,018.37, 153,039.20 and 27,141.56 is: 40,715.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,018.37 : 153,039.20 = 27,141.56 : x
  2. Step 2: Convert to fraction form
    102,018.37/153,039.20 = 27,141.56/x
  3. Step 3: Cross multiply
    102,018.37x = 153,039.20 × 27,141.56
  4. Step 4: Simplify right side
    102,018.37x = 4,153,722,493.44
  5. Step 5: Solve for x
    x = 4,153,722,493.44/102,018.37
  6. Step 6: Final answer
    x = 40,715.44

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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.