Home / 113,831.70-170,747.55-107,999.70

Finding the Fourth Proportional to 113,831.70, 170,747.55 and 107,999.70

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Solution

The fourth proportional to 113,831.70, 170,747.55 and 107,999.70 is: 161,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,831.70 : 170,747.55 = 107,999.70 : x
  2. Step 2: Convert to fraction form
    113,831.70/170,747.55 = 107,999.70/x
  3. Step 3: Cross multiply
    113,831.70x = 170,747.55 × 107,999.70
  4. Step 4: Simplify right side
    113,831.70x = 18,440,684,175.74
  5. Step 5: Solve for x
    x = 18,440,684,175.74/113,831.70
  6. Step 6: Final answer
    x = 161,999.55

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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.