Home / 259,119.79-388,887.05-134,496.43

Finding the Fourth Proportional to 259,119.79, 388,887.05 and 134,496.43

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Solution

The fourth proportional to 259,119.79, 388,887.05 and 134,496.43 is: 201,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,119.79 : 388,887.05 = 134,496.43 : x
  2. Step 2: Convert to fraction form
    259,119.79/388,887.05 = 134,496.43/x
  3. Step 3: Cross multiply
    259,119.79x = 388,887.05 × 134,496.43
  4. Step 4: Simplify right side
    259,119.79x = 52,303,919,898.23
  5. Step 5: Solve for x
    x = 52,303,919,898.23/259,119.79
  6. Step 6: Final answer
    x = 201,852.28

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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.