Home / 197,664.28-272,776.34-107,020.23

Finding the Fourth Proportional to 197,664.28, 272,776.34 and 107,020.23

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Solution

The fourth proportional to 197,664.28, 272,776.34 and 107,020.23 is: 147,687.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,664.28 : 272,776.34 = 107,020.23 : x
  2. Step 2: Convert to fraction form
    197,664.28/272,776.34 = 107,020.23/x
  3. Step 3: Cross multiply
    197,664.28x = 272,776.34 × 107,020.23
  4. Step 4: Simplify right side
    197,664.28x = 29,192,586,645.36
  5. Step 5: Solve for x
    x = 29,192,586,645.36/197,664.28
  6. Step 6: Final answer
    x = 147,687.72

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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.