Home / 197,144.28-272,058.83-112,261.34

Finding the Fourth Proportional to 197,144.28, 272,058.83 and 112,261.34

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Solution

The fourth proportional to 197,144.28, 272,058.83 and 112,261.34 is: 154,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,144.28 : 272,058.83 = 112,261.34 : x
  2. Step 2: Convert to fraction form
    197,144.28/272,058.83 = 112,261.34/x
  3. Step 3: Cross multiply
    197,144.28x = 272,058.83 × 112,261.34
  4. Step 4: Simplify right side
    197,144.28x = 30,541,686,893.03
  5. Step 5: Solve for x
    x = 30,541,686,893.03/197,144.28
  6. Step 6: Final answer
    x = 154,920.48

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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.