Home / 212,338.75-293,023.76-115,539.34

Finding the Fourth Proportional to 212,338.75, 293,023.76 and 115,539.34

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Solution

The fourth proportional to 212,338.75, 293,023.76 and 115,539.34 is: 159,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,338.75 : 293,023.76 = 115,539.34 : x
  2. Step 2: Convert to fraction form
    212,338.75/293,023.76 = 115,539.34/x
  3. Step 3: Cross multiply
    212,338.75x = 293,023.76 × 115,539.34
  4. Step 4: Simplify right side
    212,338.75x = 33,855,770,369.60
  5. Step 5: Solve for x
    x = 33,855,770,369.60/212,338.75
  6. Step 6: Final answer
    x = 159,442.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.