Home / 265,539.03-398,161.67-105,452.79

Finding the Fourth Proportional to 265,539.03, 398,161.67 and 105,452.79

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Solution

The fourth proportional to 265,539.03, 398,161.67 and 105,452.79 is: 158,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,539.03 : 398,161.67 = 105,452.79 : x
  2. Step 2: Convert to fraction form
    265,539.03/398,161.67 = 105,452.79/x
  3. Step 3: Cross multiply
    265,539.03x = 398,161.67 × 105,452.79
  4. Step 4: Simplify right side
    265,539.03x = 41,987,258,445.30
  5. Step 5: Solve for x
    x = 41,987,258,445.30/265,539.03
  6. Step 6: Final answer
    x = 158,120.85

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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.