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Finding the Fourth Proportional to 110,309.58, 165,448.71 and 35,420.09

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Solution

The fourth proportional to 110,309.58, 165,448.71 and 35,420.09 is: 53,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,309.58 : 165,448.71 = 35,420.09 : x
  2. Step 2: Convert to fraction form
    110,309.58/165,448.71 = 35,420.09/x
  3. Step 3: Cross multiply
    110,309.58x = 165,448.71 × 35,420.09
  4. Step 4: Simplify right side
    110,309.58x = 5,860,207,371.34
  5. Step 5: Solve for x
    x = 5,860,207,371.34/110,309.58
  6. Step 6: Final answer
    x = 53,125.10

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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.