Home / 123,054.08-169,814.72-66,465.44

Finding the Fourth Proportional to 123,054.08, 169,814.72 and 66,465.44

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Solution

The fourth proportional to 123,054.08, 169,814.72 and 66,465.44 is: 91,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,054.08 : 169,814.72 = 66,465.44 : x
  2. Step 2: Convert to fraction form
    123,054.08/169,814.72 = 66,465.44/x
  3. Step 3: Cross multiply
    123,054.08x = 169,814.72 × 66,465.44
  4. Step 4: Simplify right side
    123,054.08x = 11,286,810,083.28
  5. Step 5: Solve for x
    x = 11,286,810,083.28/123,054.08
  6. Step 6: Final answer
    x = 91,722.36

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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.