Home / 170,831.74-256,161.59-56,939.21

Finding the Fourth Proportional to 170,831.74, 256,161.59 and 56,939.21

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Solution

The fourth proportional to 170,831.74, 256,161.59 and 56,939.21 is: 85,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,831.74 : 256,161.59 = 56,939.21 : x
  2. Step 2: Convert to fraction form
    170,831.74/256,161.59 = 56,939.21/x
  3. Step 3: Cross multiply
    170,831.74x = 256,161.59 × 56,939.21
  4. Step 4: Simplify right side
    170,831.74x = 14,585,638,566.94
  5. Step 5: Solve for x
    x = 14,585,638,566.94/170,831.74
  6. Step 6: Final answer
    x = 85,380.14

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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.