Home / 179,772.96-248,085-99,201.18

Finding the Fourth Proportional to 179,772.96, 248,085 and 99,201.18

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Solution

The fourth proportional to 179,772.96, 248,085 and 99,201.18 is: 136,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,772.96 : 248,085 = 99,201.18 : x
  2. Step 2: Convert to fraction form
    179,772.96/248,085 = 99,201.18/x
  3. Step 3: Cross multiply
    179,772.96x = 248,085 × 99,201.18
  4. Step 4: Simplify right side
    179,772.96x = 24,610,324,740.30
  5. Step 5: Solve for x
    x = 24,610,324,740.30/179,772.96
  6. Step 6: Final answer
    x = 136,896.70

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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.