Home / 136,406.22-188,250.04-82,693.50

Finding the Fourth Proportional to 136,406.22, 188,250.04 and 82,693.50

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Solution

The fourth proportional to 136,406.22, 188,250.04 and 82,693.50 is: 114,122.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,406.22 : 188,250.04 = 82,693.50 : x
  2. Step 2: Convert to fraction form
    136,406.22/188,250.04 = 82,693.50/x
  3. Step 3: Cross multiply
    136,406.22x = 188,250.04 × 82,693.50
  4. Step 4: Simplify right side
    136,406.22x = 15,567,054,682.74
  5. Step 5: Solve for x
    x = 15,567,054,682.74/136,406.22
  6. Step 6: Final answer
    x = 114,122.76

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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.