Home / 165,656.14-248,449.32-53,346.40

Finding the Fourth Proportional to 165,656.14, 248,449.32 and 53,346.40

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Solution

The fourth proportional to 165,656.14, 248,449.32 and 53,346.40 is: 80,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,656.14 : 248,449.32 = 53,346.40 : x
  2. Step 2: Convert to fraction form
    165,656.14/248,449.32 = 53,346.40/x
  3. Step 3: Cross multiply
    165,656.14x = 248,449.32 × 53,346.40
  4. Step 4: Simplify right side
    165,656.14x = 13,253,876,804.45
  5. Step 5: Solve for x
    x = 13,253,876,804.45/165,656.14
  6. Step 6: Final answer
    x = 80,008.36

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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.