Home / 179,443.79-247,638.03-102,976.87

Finding the Fourth Proportional to 179,443.79, 247,638.03 and 102,976.87

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Solution

The fourth proportional to 179,443.79, 247,638.03 and 102,976.87 is: 142,111.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,443.79 : 247,638.03 = 102,976.87 : x
  2. Step 2: Convert to fraction form
    179,443.79/247,638.03 = 102,976.87/x
  3. Step 3: Cross multiply
    179,443.79x = 247,638.03 × 102,976.87
  4. Step 4: Simplify right side
    179,443.79x = 25,500,989,222.37
  5. Step 5: Solve for x
    x = 25,500,989,222.37/179,443.79
  6. Step 6: Final answer
    x = 142,111.29

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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.