Home / 110,213.26-165,316.69-65,541.05

Finding the Fourth Proportional to 110,213.26, 165,316.69 and 65,541.05

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Solution

The fourth proportional to 110,213.26, 165,316.69 and 65,541.05 is: 98,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,213.26 : 165,316.69 = 65,541.05 : x
  2. Step 2: Convert to fraction form
    110,213.26/165,316.69 = 65,541.05/x
  3. Step 3: Cross multiply
    110,213.26x = 165,316.69 × 65,541.05
  4. Step 4: Simplify right side
    110,213.26x = 10,835,029,445.12
  5. Step 5: Solve for x
    x = 10,835,029,445.12/110,213.26
  6. Step 6: Final answer
    x = 98,309.67

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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.