Home / 195,740.64-270,117.50-115,173.38

Finding the Fourth Proportional to 195,740.64, 270,117.50 and 115,173.38

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Solution

The fourth proportional to 195,740.64, 270,117.50 and 115,173.38 is: 158,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,740.64 : 270,117.50 = 115,173.38 : x
  2. Step 2: Convert to fraction form
    195,740.64/270,117.50 = 115,173.38/x
  3. Step 3: Cross multiply
    195,740.64x = 270,117.50 × 115,173.38
  4. Step 4: Simplify right side
    195,740.64x = 31,110,345,571.58
  5. Step 5: Solve for x
    x = 31,110,345,571.58/195,740.64
  6. Step 6: Final answer
    x = 158,936.57

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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.