Home / 164,971.32-247,106.76-111,696

Finding the Fourth Proportional to 164,971.32, 247,106.76 and 111,696

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Solution

The fourth proportional to 164,971.32, 247,106.76 and 111,696 is: 167,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,971.32 : 247,106.76 = 111,696 : x
  2. Step 2: Convert to fraction form
    164,971.32/247,106.76 = 111,696/x
  3. Step 3: Cross multiply
    164,971.32x = 247,106.76 × 111,696
  4. Step 4: Simplify right side
    164,971.32x = 27,600,836,664.96
  5. Step 5: Solve for x
    x = 27,600,836,664.96/164,971.32
  6. Step 6: Final answer
    x = 167,306.88

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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.