Home / 170,180.28-255,288.42-70,347.96

Finding the Fourth Proportional to 170,180.28, 255,288.42 and 70,347.96

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Solution

The fourth proportional to 170,180.28, 255,288.42 and 70,347.96 is: 105,529.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,180.28 : 255,288.42 = 70,347.96 : x
  2. Step 2: Convert to fraction form
    170,180.28/255,288.42 = 70,347.96/x
  3. Step 3: Cross multiply
    170,180.28x = 255,288.42 × 70,347.96
  4. Step 4: Simplify right side
    170,180.28x = 17,959,019,558.62
  5. Step 5: Solve for x
    x = 17,959,019,558.62/170,180.28
  6. Step 6: Final answer
    x = 105,529.38

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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.