Home / 205,962.03-284,212.40-115,297.11

Finding the Fourth Proportional to 205,962.03, 284,212.40 and 115,297.11

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Solution

The fourth proportional to 205,962.03, 284,212.40 and 115,297.11 is: 159,101.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,962.03 : 284,212.40 = 115,297.11 : x
  2. Step 2: Convert to fraction form
    205,962.03/284,212.40 = 115,297.11/x
  3. Step 3: Cross multiply
    205,962.03x = 284,212.40 × 115,297.11
  4. Step 4: Simplify right side
    205,962.03x = 32,768,867,769.68
  5. Step 5: Solve for x
    x = 32,768,867,769.68/205,962.03
  6. Step 6: Final answer
    x = 159,101.50

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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.