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Finding the Fourth Proportional to 181,852.62, 250,947.09 and 101,278.68

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Solution

The fourth proportional to 181,852.62, 250,947.09 and 101,278.68 is: 139,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,852.62 : 250,947.09 = 101,278.68 : x
  2. Step 2: Convert to fraction form
    181,852.62/250,947.09 = 101,278.68/x
  3. Step 3: Cross multiply
    181,852.62x = 250,947.09 × 101,278.68
  4. Step 4: Simplify right side
    181,852.62x = 25,415,590,025.04
  5. Step 5: Solve for x
    x = 25,415,590,025.04/181,852.62
  6. Step 6: Final answer
    x = 139,759.27

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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.