Home / 109,071.58-163,577.13-69,064.54

Finding the Fourth Proportional to 109,071.58, 163,577.13 and 69,064.54

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Solution

The fourth proportional to 109,071.58, 163,577.13 and 69,064.54 is: 103,577.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,071.58 : 163,577.13 = 69,064.54 : x
  2. Step 2: Convert to fraction form
    109,071.58/163,577.13 = 69,064.54/x
  3. Step 3: Cross multiply
    109,071.58x = 163,577.13 × 69,064.54
  4. Step 4: Simplify right side
    109,071.58x = 11,297,379,237.97
  5. Step 5: Solve for x
    x = 11,297,379,237.97/109,071.58
  6. Step 6: Final answer
    x = 103,577.66

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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.