Home / 197,119.63-272,073.69-112,286.71

Finding the Fourth Proportional to 197,119.63, 272,073.69 and 112,286.71

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Solution

The fourth proportional to 197,119.63, 272,073.69 and 112,286.71 is: 154,983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,119.63 : 272,073.69 = 112,286.71 : x
  2. Step 2: Convert to fraction form
    197,119.63/272,073.69 = 112,286.71/x
  3. Step 3: Cross multiply
    197,119.63x = 272,073.69 × 112,286.71
  4. Step 4: Simplify right side
    197,119.63x = 30,550,257,605.86
  5. Step 5: Solve for x
    x = 30,550,257,605.86/197,119.63
  6. Step 6: Final answer
    x = 154,983.34

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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.