Home / 193,575.16-290,362.74-75,274.18

Finding the Fourth Proportional to 193,575.16, 290,362.74 and 75,274.18

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Solution

The fourth proportional to 193,575.16, 290,362.74 and 75,274.18 is: 112,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,575.16 : 290,362.74 = 75,274.18 : x
  2. Step 2: Convert to fraction form
    193,575.16/290,362.74 = 75,274.18/x
  3. Step 3: Cross multiply
    193,575.16x = 290,362.74 × 75,274.18
  4. Step 4: Simplify right side
    193,575.16x = 21,856,816,359.58
  5. Step 5: Solve for x
    x = 21,856,816,359.58/193,575.16
  6. Step 6: Final answer
    x = 112,911.27

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1.5x scale

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.