Home / 263,395.03-363,485.14-142,536.32

Finding the Fourth Proportional to 263,395.03, 363,485.14 and 142,536.32

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Solution

The fourth proportional to 263,395.03, 363,485.14 and 142,536.32 is: 196,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,395.03 : 363,485.14 = 142,536.32 : x
  2. Step 2: Convert to fraction form
    263,395.03/363,485.14 = 142,536.32/x
  3. Step 3: Cross multiply
    263,395.03x = 363,485.14 × 142,536.32
  4. Step 4: Simplify right side
    263,395.03x = 51,809,834,230.28
  5. Step 5: Solve for x
    x = 51,809,834,230.28/263,395.03
  6. Step 6: Final answer
    x = 196,700.12

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1.5x scale

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.