Home / 110,128.68-165,099.42-43,615.62

Finding the Fourth Proportional to 110,128.68, 165,099.42 and 43,615.62

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Solution

The fourth proportional to 110,128.68, 165,099.42 and 43,615.62 is: 65,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,128.68 : 165,099.42 = 43,615.62 : x
  2. Step 2: Convert to fraction form
    110,128.68/165,099.42 = 43,615.62/x
  3. Step 3: Cross multiply
    110,128.68x = 165,099.42 × 43,615.62
  4. Step 4: Simplify right side
    110,128.68x = 7,200,913,564.94
  5. Step 5: Solve for x
    x = 7,200,913,564.94/110,128.68
  6. Step 6: Final answer
    x = 65,386.36

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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.