Home / 206,840.30-309,973.40-94,245.35

Finding the Fourth Proportional to 206,840.30, 309,973.40 and 94,245.35

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Solution

The fourth proportional to 206,840.30, 309,973.40 and 94,245.35 is: 141,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,840.30 : 309,973.40 = 94,245.35 : x
  2. Step 2: Convert to fraction form
    206,840.30/309,973.40 = 94,245.35/x
  3. Step 3: Cross multiply
    206,840.30x = 309,973.40 × 94,245.35
  4. Step 4: Simplify right side
    206,840.30x = 29,213,551,573.69
  5. Step 5: Solve for x
    x = 29,213,551,573.69/206,840.30
  6. Step 6: Final answer
    x = 141,237.23

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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.