Home / 178,137.86-245,831.99-106,517.89

Finding the Fourth Proportional to 178,137.86, 245,831.99 and 106,517.89

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Solution

The fourth proportional to 178,137.86, 245,831.99 and 106,517.89 is: 146,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,137.86 : 245,831.99 = 106,517.89 : x
  2. Step 2: Convert to fraction form
    178,137.86/245,831.99 = 106,517.89/x
  3. Step 3: Cross multiply
    178,137.86x = 245,831.99 × 106,517.89
  4. Step 4: Simplify right side
    178,137.86x = 26,185,503,722.13
  5. Step 5: Solve for x
    x = 26,185,503,722.13/178,137.86
  6. Step 6: Final answer
    x = 146,995.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.