Home / 179,401.66-247,601.52-136,310.50

Finding the Fourth Proportional to 179,401.66, 247,601.52 and 136,310.50

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Solution

The fourth proportional to 179,401.66, 247,601.52 and 136,310.50 is: 188,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,401.66 : 247,601.52 = 136,310.50 : x
  2. Step 2: Convert to fraction form
    179,401.66/247,601.52 = 136,310.50/x
  3. Step 3: Cross multiply
    179,401.66x = 247,601.52 × 136,310.50
  4. Step 4: Simplify right side
    179,401.66x = 33,750,686,991.96
  5. Step 5: Solve for x
    x = 33,750,686,991.96/179,401.66
  6. Step 6: Final answer
    x = 188,129.18

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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.