Home / 179,297.03-268,944.72-85,518.47

Finding the Fourth Proportional to 179,297.03, 268,944.72 and 85,518.47

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Solution

The fourth proportional to 179,297.03, 268,944.72 and 85,518.47 is: 128,277.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,297.03 : 268,944.72 = 85,518.47 : x
  2. Step 2: Convert to fraction form
    179,297.03/268,944.72 = 85,518.47/x
  3. Step 3: Cross multiply
    179,297.03x = 268,944.72 × 85,518.47
  4. Step 4: Simplify right side
    179,297.03x = 22,999,739,624.25
  5. Step 5: Solve for x
    x = 22,999,739,624.25/179,297.03
  6. Step 6: Final answer
    x = 128,277.31

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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.