Home / 197,145.28-272,060.20-112,262.34

Finding the Fourth Proportional to 197,145.28, 272,060.20 and 112,262.34

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Solution

The fourth proportional to 197,145.28, 272,060.20 and 112,262.34 is: 154,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,145.28 : 272,060.20 = 112,262.34 : x
  2. Step 2: Convert to fraction form
    197,145.28/272,060.20 = 112,262.34/x
  3. Step 3: Cross multiply
    197,145.28x = 272,060.20 × 112,262.34
  4. Step 4: Simplify right side
    197,145.28x = 30,542,114,672.87
  5. Step 5: Solve for x
    x = 30,542,114,672.87/197,145.28
  6. Step 6: Final answer
    x = 154,921.87

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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.