Home / 181,629.52-250,649-102,141.52

Finding the Fourth Proportional to 181,629.52, 250,649 and 102,141.52

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Solution

The fourth proportional to 181,629.52, 250,649 and 102,141.52 is: 140,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,629.52 : 250,649 = 102,141.52 : x
  2. Step 2: Convert to fraction form
    181,629.52/250,649 = 102,141.52/x
  3. Step 3: Cross multiply
    181,629.52x = 250,649 × 102,141.52
  4. Step 4: Simplify right side
    181,629.52x = 25,601,669,846.48
  5. Step 5: Solve for x
    x = 25,601,669,846.48/181,629.52
  6. Step 6: Final answer
    x = 140,955.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.