Home / 149,475.11-206,283.83-85,817.00

Finding the Fourth Proportional to 149,475.11, 206,283.83 and 85,817.00

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Solution

The fourth proportional to 149,475.11, 206,283.83 and 85,817.00 is: 118,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,475.11 : 206,283.83 = 85,817.00 : x
  2. Step 2: Convert to fraction form
    149,475.11/206,283.83 = 85,817.00/x
  3. Step 3: Cross multiply
    149,475.11x = 206,283.83 × 85,817.00
  4. Step 4: Simplify right side
    149,475.11x = 17,702,659,525.73
  5. Step 5: Solve for x
    x = 17,702,659,525.73/149,475.11
  6. Step 6: Final answer
    x = 118,432.16

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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.