Home / 109,936.40-164,904.60-102,563.60

Finding the Fourth Proportional to 109,936.40, 164,904.60 and 102,563.60

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Solution

The fourth proportional to 109,936.40, 164,904.60 and 102,563.60 is: 153,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,936.40 : 164,904.60 = 102,563.60 : x
  2. Step 2: Convert to fraction form
    109,936.40/164,904.60 = 102,563.60/x
  3. Step 3: Cross multiply
    109,936.40x = 164,904.60 × 102,563.60
  4. Step 4: Simplify right side
    109,936.40x = 16,913,209,432.56
  5. Step 5: Solve for x
    x = 16,913,209,432.56/109,936.40
  6. Step 6: Final answer
    x = 153,845.40

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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.