Home / 175,128.71-241,633.03-107,120.84

Finding the Fourth Proportional to 175,128.71, 241,633.03 and 107,120.84

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Solution

The fourth proportional to 175,128.71, 241,633.03 and 107,120.84 is: 147,799.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,128.71 : 241,633.03 = 107,120.84 : x
  2. Step 2: Convert to fraction form
    175,128.71/241,633.03 = 107,120.84/x
  3. Step 3: Cross multiply
    175,128.71x = 241,633.03 × 107,120.84
  4. Step 4: Simplify right side
    175,128.71x = 25,883,932,609.74
  5. Step 5: Solve for x
    x = 25,883,932,609.74/175,128.71
  6. Step 6: Final answer
    x = 147,799.48

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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.