Home / 248,185.77-372,278.79-105,911.43

Finding the Fourth Proportional to 248,185.77, 372,278.79 and 105,911.43

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Solution

The fourth proportional to 248,185.77, 372,278.79 and 105,911.43 is: 158,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,185.77 : 372,278.79 = 105,911.43 : x
  2. Step 2: Convert to fraction form
    248,185.77/372,278.79 = 105,911.43/x
  3. Step 3: Cross multiply
    248,185.77x = 372,278.79 × 105,911.43
  4. Step 4: Simplify right side
    248,185.77x = 39,428,579,007.57
  5. Step 5: Solve for x
    x = 39,428,579,007.57/248,185.77
  6. Step 6: Final answer
    x = 158,867.20

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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.