Home / 137,867.36-206,903.97-102,410.55

Finding the Fourth Proportional to 137,867.36, 206,903.97 and 102,410.55

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Solution

The fourth proportional to 137,867.36, 206,903.97 and 102,410.55 is: 153,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,867.36 : 206,903.97 = 102,410.55 : x
  2. Step 2: Convert to fraction form
    137,867.36/206,903.97 = 102,410.55/x
  3. Step 3: Cross multiply
    137,867.36x = 206,903.97 × 102,410.55
  4. Step 4: Simplify right side
    137,867.36x = 21,189,149,364.88
  5. Step 5: Solve for x
    x = 21,189,149,364.88/137,867.36
  6. Step 6: Final answer
    x = 153,692.28

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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.