Home / 109,880.69-164,820.96-39,743.60

Finding the Fourth Proportional to 109,880.69, 164,820.96 and 39,743.60

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Solution

The fourth proportional to 109,880.69, 164,820.96 and 39,743.60 is: 59,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,880.69 : 164,820.96 = 39,743.60 : x
  2. Step 2: Convert to fraction form
    109,880.69/164,820.96 = 39,743.60/x
  3. Step 3: Cross multiply
    109,880.69x = 164,820.96 × 39,743.60
  4. Step 4: Simplify right side
    109,880.69x = 6,550,577,481.75
  5. Step 5: Solve for x
    x = 6,550,577,481.75/109,880.69
  6. Step 6: Final answer
    x = 59,615.37

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1.5x scale

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.