Home / 196,809.04-295,235.44-72,150

Finding the Fourth Proportional to 196,809.04, 295,235.44 and 72,150

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Solution

The fourth proportional to 196,809.04, 295,235.44 and 72,150 is: 108,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,809.04 : 295,235.44 = 72,150 : x
  2. Step 2: Convert to fraction form
    196,809.04/295,235.44 = 72,150/x
  3. Step 3: Cross multiply
    196,809.04x = 295,235.44 × 72,150
  4. Step 4: Simplify right side
    196,809.04x = 21,301,236,996
  5. Step 5: Solve for x
    x = 21,301,236,996/196,809.04
  6. Step 6: Final answer
    x = 108,233.02

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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.