Home / 102,877.30-154,288.94-43,682.50

Finding the Fourth Proportional to 102,877.30, 154,288.94 and 43,682.50

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Solution

The fourth proportional to 102,877.30, 154,288.94 and 43,682.50 is: 65,512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,877.30 : 154,288.94 = 43,682.50 : x
  2. Step 2: Convert to fraction form
    102,877.30/154,288.94 = 43,682.50/x
  3. Step 3: Cross multiply
    102,877.30x = 154,288.94 × 43,682.50
  4. Step 4: Simplify right side
    102,877.30x = 6,739,726,621.55
  5. Step 5: Solve for x
    x = 6,739,726,621.55/102,877.30
  6. Step 6: Final answer
    x = 65,512.28

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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.