Home / 179,081.75-247,116.61-98,512.67

Finding the Fourth Proportional to 179,081.75, 247,116.61 and 98,512.67

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Solution

The fourth proportional to 179,081.75, 247,116.61 and 98,512.67 is: 135,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,081.75 : 247,116.61 = 98,512.67 : x
  2. Step 2: Convert to fraction form
    179,081.75/247,116.61 = 98,512.67/x
  3. Step 3: Cross multiply
    179,081.75x = 247,116.61 × 98,512.67
  4. Step 4: Simplify right side
    179,081.75x = 24,344,117,052.45
  5. Step 5: Solve for x
    x = 24,344,117,052.45/179,081.75
  6. Step 6: Final answer
    x = 135,938.57

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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.