Home / 213,145.26-294,142.89-117,652.03

Finding the Fourth Proportional to 213,145.26, 294,142.89 and 117,652.03

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Solution

The fourth proportional to 213,145.26, 294,142.89 and 117,652.03 is: 162,361.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,145.26 : 294,142.89 = 117,652.03 : x
  2. Step 2: Convert to fraction form
    213,145.26/294,142.89 = 117,652.03/x
  3. Step 3: Cross multiply
    213,145.26x = 294,142.89 × 117,652.03
  4. Step 4: Simplify right side
    213,145.26x = 34,606,507,824.40
  5. Step 5: Solve for x
    x = 34,606,507,824.40/213,145.26
  6. Step 6: Final answer
    x = 162,361.14

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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.