Home / 149,485.20-206,281.80-92,895.36

Finding the Fourth Proportional to 149,485.20, 206,281.80 and 92,895.36

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Solution

The fourth proportional to 149,485.20, 206,281.80 and 92,895.36 is: 128,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,485.20 : 206,281.80 = 92,895.36 : x
  2. Step 2: Convert to fraction form
    149,485.20/206,281.80 = 92,895.36/x
  3. Step 3: Cross multiply
    149,485.20x = 206,281.80 × 92,895.36
  4. Step 4: Simplify right side
    149,485.20x = 19,162,622,072.45
  5. Step 5: Solve for x
    x = 19,162,622,072.45/149,485.20
  6. Step 6: Final answer
    x = 128,190.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.