Home / 165,268.48-228,064.08-89,815.36

Finding the Fourth Proportional to 165,268.48, 228,064.08 and 89,815.36

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Solution

The fourth proportional to 165,268.48, 228,064.08 and 89,815.36 is: 123,941.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,268.48 : 228,064.08 = 89,815.36 : x
  2. Step 2: Convert to fraction form
    165,268.48/228,064.08 = 89,815.36/x
  3. Step 3: Cross multiply
    165,268.48x = 228,064.08 × 89,815.36
  4. Step 4: Simplify right side
    165,268.48x = 20,483,657,448.27
  5. Step 5: Solve for x
    x = 20,483,657,448.27/165,268.48
  6. Step 6: Final answer
    x = 123,941.71

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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.