Home / 195,839.37-270,209.93-115,260.57

Finding the Fourth Proportional to 195,839.37, 270,209.93 and 115,260.57

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Solution

The fourth proportional to 195,839.37, 270,209.93 and 115,260.57 is: 159,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,839.37 : 270,209.93 = 115,260.57 : x
  2. Step 2: Convert to fraction form
    195,839.37/270,209.93 = 115,260.57/x
  3. Step 3: Cross multiply
    195,839.37x = 270,209.93 × 115,260.57
  4. Step 4: Simplify right side
    195,839.37x = 31,144,549,975.16
  5. Step 5: Solve for x
    x = 31,144,549,975.16/195,839.37
  6. Step 6: Final answer
    x = 159,031.10

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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.