Home / 164,414.70-246,622.05-128,985.30

Finding the Fourth Proportional to 164,414.70, 246,622.05 and 128,985.30

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Solution

The fourth proportional to 164,414.70, 246,622.05 and 128,985.30 is: 193,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,414.70 : 246,622.05 = 128,985.30 : x
  2. Step 2: Convert to fraction form
    164,414.70/246,622.05 = 128,985.30/x
  3. Step 3: Cross multiply
    164,414.70x = 246,622.05 × 128,985.30
  4. Step 4: Simplify right side
    164,414.70x = 31,810,619,105.87
  5. Step 5: Solve for x
    x = 31,810,619,105.87/164,414.70
  6. Step 6: Final answer
    x = 193,477.95

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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.