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Finding the Fourth Proportional to 179,468.68, 269,207.34 and 85,871.56

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Solution

The fourth proportional to 179,468.68, 269,207.34 and 85,871.56 is: 128,809.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,468.68 : 269,207.34 = 85,871.56 : x
  2. Step 2: Convert to fraction form
    179,468.68/269,207.34 = 85,871.56/x
  3. Step 3: Cross multiply
    179,468.68x = 269,207.34 × 85,871.56
  4. Step 4: Simplify right side
    179,468.68x = 23,117,254,249.25
  5. Step 5: Solve for x
    x = 23,117,254,249.25/179,468.68
  6. Step 6: Final answer
    x = 128,809.41

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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.