Home / 196,355.09-270,962.92-120,001.91

Finding the Fourth Proportional to 196,355.09, 270,962.92 and 120,001.91

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Solution

The fourth proportional to 196,355.09, 270,962.92 and 120,001.91 is: 165,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,355.09 : 270,962.92 = 120,001.91 : x
  2. Step 2: Convert to fraction form
    196,355.09/270,962.92 = 120,001.91/x
  3. Step 3: Cross multiply
    196,355.09x = 270,962.92 × 120,001.91
  4. Step 4: Simplify right side
    196,355.09x = 32,516,066,734.37
  5. Step 5: Solve for x
    x = 32,516,066,734.37/196,355.09
  6. Step 6: Final answer
    x = 165,598.29

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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.