Home / 165,669.80-248,577.60-76,877.60

Finding the Fourth Proportional to 165,669.80, 248,577.60 and 76,877.60

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Solution

The fourth proportional to 165,669.80, 248,577.60 and 76,877.60 is: 115,350.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,669.80 : 248,577.60 = 76,877.60 : x
  2. Step 2: Convert to fraction form
    165,669.80/248,577.60 = 76,877.60/x
  3. Step 3: Cross multiply
    165,669.80x = 248,577.60 × 76,877.60
  4. Step 4: Simplify right side
    165,669.80x = 19,110,049,301.76
  5. Step 5: Solve for x
    x = 19,110,049,301.76/165,669.80
  6. Step 6: Final answer
    x = 115,350.23

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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.