Home / 179,085.56-247,138.64-98,519.21

Finding the Fourth Proportional to 179,085.56, 247,138.64 and 98,519.21

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Solution

The fourth proportional to 179,085.56, 247,138.64 and 98,519.21 is: 135,956.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,085.56 : 247,138.64 = 98,519.21 : x
  2. Step 2: Convert to fraction form
    179,085.56/247,138.64 = 98,519.21/x
  3. Step 3: Cross multiply
    179,085.56x = 247,138.64 × 98,519.21
  4. Step 4: Simplify right side
    179,085.56x = 24,347,901,844.99
  5. Step 5: Solve for x
    x = 24,347,901,844.99/179,085.56
  6. Step 6: Final answer
    x = 135,956.82

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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.