Home / 147,260.36-220,558.22-68,208.52

Finding the Fourth Proportional to 147,260.36, 220,558.22 and 68,208.52

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Solution

The fourth proportional to 147,260.36, 220,558.22 and 68,208.52 is: 102,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,260.36 : 220,558.22 = 68,208.52 : x
  2. Step 2: Convert to fraction form
    147,260.36/220,558.22 = 68,208.52/x
  3. Step 3: Cross multiply
    147,260.36x = 220,558.22 × 68,208.52
  4. Step 4: Simplify right side
    147,260.36x = 15,043,949,760.03
  5. Step 5: Solve for x
    x = 15,043,949,760.03/147,260.36
  6. Step 6: Final answer
    x = 102,158.85

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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.