Home / 206,090.37-309,120.74-63,931.95

Finding the Fourth Proportional to 206,090.37, 309,120.74 and 63,931.95

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Solution

The fourth proportional to 206,090.37, 309,120.74 and 63,931.95 is: 95,893.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,090.37 : 309,120.74 = 63,931.95 : x
  2. Step 2: Convert to fraction form
    206,090.37/309,120.74 = 63,931.95/x
  3. Step 3: Cross multiply
    206,090.37x = 309,120.74 × 63,931.95
  4. Step 4: Simplify right side
    206,090.37x = 19,762,691,373.98
  5. Step 5: Solve for x
    x = 19,762,691,373.98/206,090.37
  6. Step 6: Final answer
    x = 95,893.33

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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.