Home / 197,309.52-272,286.72-112,426.56

Finding the Fourth Proportional to 197,309.52, 272,286.72 and 112,426.56

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Solution

The fourth proportional to 197,309.52, 272,286.72 and 112,426.56 is: 155,148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,309.52 : 272,286.72 = 112,426.56 : x
  2. Step 2: Convert to fraction form
    197,309.52/272,286.72 = 112,426.56/x
  3. Step 3: Cross multiply
    197,309.52x = 272,286.72 × 112,426.56
  4. Step 4: Simplify right side
    197,309.52x = 30,612,259,263.28
  5. Step 5: Solve for x
    x = 30,612,259,263.28/197,309.52
  6. Step 6: Final answer
    x = 155,148.41

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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.