Home / 136,297.68-188,090.78-75,867.02

Finding the Fourth Proportional to 136,297.68, 188,090.78 and 75,867.02

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Solution

The fourth proportional to 136,297.68, 188,090.78 and 75,867.02 is: 104,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,297.68 : 188,090.78 = 75,867.02 : x
  2. Step 2: Convert to fraction form
    136,297.68/188,090.78 = 75,867.02/x
  3. Step 3: Cross multiply
    136,297.68x = 188,090.78 × 75,867.02
  4. Step 4: Simplify right side
    136,297.68x = 14,269,885,648.29
  5. Step 5: Solve for x
    x = 14,269,885,648.29/136,297.68
  6. Step 6: Final answer
    x = 104,696.47

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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.