Home / 170,247.76-255,286.20-99,193.36

Finding the Fourth Proportional to 170,247.76, 255,286.20 and 99,193.36

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Solution

The fourth proportional to 170,247.76, 255,286.20 and 99,193.36 is: 148,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,247.76 : 255,286.20 = 99,193.36 : x
  2. Step 2: Convert to fraction form
    170,247.76/255,286.20 = 99,193.36/x
  3. Step 3: Cross multiply
    170,247.76x = 255,286.20 × 99,193.36
  4. Step 4: Simplify right side
    170,247.76x = 25,322,695,939.63
  5. Step 5: Solve for x
    x = 25,322,695,939.63/170,247.76
  6. Step 6: Final answer
    x = 148,740.26

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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.