Home / 263,395.11-363,485.25-142,536.40

Finding the Fourth Proportional to 263,395.11, 363,485.25 and 142,536.40

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Solution

The fourth proportional to 263,395.11, 363,485.25 and 142,536.40 is: 196,700.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,395.11 : 363,485.25 = 142,536.40 : x
  2. Step 2: Convert to fraction form
    263,395.11/363,485.25 = 142,536.40/x
  3. Step 3: Cross multiply
    263,395.11x = 363,485.25 × 142,536.40
  4. Step 4: Simplify right side
    263,395.11x = 51,809,878,988.10
  5. Step 5: Solve for x
    x = 51,809,878,988.10/263,395.11
  6. Step 6: Final answer
    x = 196,700.23

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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.