Home / 165,530.76-248,272.24-53,196.32

Finding the Fourth Proportional to 165,530.76, 248,272.24 and 53,196.32

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Solution

The fourth proportional to 165,530.76, 248,272.24 and 53,196.32 is: 79,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,530.76 : 248,272.24 = 53,196.32 : x
  2. Step 2: Convert to fraction form
    165,530.76/248,272.24 = 53,196.32/x
  3. Step 3: Cross multiply
    165,530.76x = 248,272.24 × 53,196.32
  4. Step 4: Simplify right side
    165,530.76x = 13,207,168,351.29
  5. Step 5: Solve for x
    x = 13,207,168,351.29/165,530.76
  6. Step 6: Final answer
    x = 79,786.79

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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.