Home / 170,021.80-255,032.70-159,524.20

Finding the Fourth Proportional to 170,021.80, 255,032.70 and 159,524.20

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Solution

The fourth proportional to 170,021.80, 255,032.70 and 159,524.20 is: 239,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,021.80 : 255,032.70 = 159,524.20 : x
  2. Step 2: Convert to fraction form
    170,021.80/255,032.70 = 159,524.20/x
  3. Step 3: Cross multiply
    170,021.80x = 255,032.70 × 159,524.20
  4. Step 4: Simplify right side
    170,021.80x = 40,683,887,441.34
  5. Step 5: Solve for x
    x = 40,683,887,441.34/170,021.80
  6. Step 6: Final answer
    x = 239,286.30

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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.