Home / 165,111.47-247,664.55-65,272.59

Finding the Fourth Proportional to 165,111.47, 247,664.55 and 65,272.59

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Solution

The fourth proportional to 165,111.47, 247,664.55 and 65,272.59 is: 97,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,111.47 : 247,664.55 = 65,272.59 : x
  2. Step 2: Convert to fraction form
    165,111.47/247,664.55 = 65,272.59/x
  3. Step 3: Cross multiply
    165,111.47x = 247,664.55 × 65,272.59
  4. Step 4: Simplify right side
    165,111.47x = 16,165,706,629.68
  5. Step 5: Solve for x
    x = 16,165,706,629.68/165,111.47
  6. Step 6: Final answer
    x = 97,907.84

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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.