Home / 197,243.71-272,129.83-112,300.63

Finding the Fourth Proportional to 197,243.71, 272,129.83 and 112,300.63

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Solution

The fourth proportional to 197,243.71, 272,129.83 and 112,300.63 is: 154,937.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,243.71 : 272,129.83 = 112,300.63 : x
  2. Step 2: Convert to fraction form
    197,243.71/272,129.83 = 112,300.63/x
  3. Step 3: Cross multiply
    197,243.71x = 272,129.83 × 112,300.63
  4. Step 4: Simplify right side
    197,243.71x = 30,560,351,350.79
  5. Step 5: Solve for x
    x = 30,560,351,350.79/197,243.71
  6. Step 6: Final answer
    x = 154,937.01

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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.