Home / 197,039.25-271,920.65-107,615.25

Finding the Fourth Proportional to 197,039.25, 271,920.65 and 107,615.25

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Solution

The fourth proportional to 197,039.25, 271,920.65 and 107,615.25 is: 148,512.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,039.25 : 271,920.65 = 107,615.25 : x
  2. Step 2: Convert to fraction form
    197,039.25/271,920.65 = 107,615.25/x
  3. Step 3: Cross multiply
    197,039.25x = 271,920.65 × 107,615.25
  4. Step 4: Simplify right side
    197,039.25x = 29,262,808,191.84
  5. Step 5: Solve for x
    x = 29,262,808,191.84/197,039.25
  6. Step 6: Final answer
    x = 148,512.58

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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.