Home / 134,631.45-202,111.20-68,037.30

Finding the Fourth Proportional to 134,631.45, 202,111.20 and 68,037.30

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Solution

The fourth proportional to 134,631.45, 202,111.20 and 68,037.30 is: 102,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,631.45 : 202,111.20 = 68,037.30 : x
  2. Step 2: Convert to fraction form
    134,631.45/202,111.20 = 68,037.30/x
  3. Step 3: Cross multiply
    134,631.45x = 202,111.20 × 68,037.30
  4. Step 4: Simplify right side
    134,631.45x = 13,751,100,347.76
  5. Step 5: Solve for x
    x = 13,751,100,347.76/134,631.45
  6. Step 6: Final answer
    x = 102,138.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.