Home / 197,763.66-272,911.68-107,117.37

Finding the Fourth Proportional to 197,763.66, 272,911.68 and 107,117.37

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Solution

The fourth proportional to 197,763.66, 272,911.68 and 107,117.37 is: 147,820.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,763.66 : 272,911.68 = 107,117.37 : x
  2. Step 2: Convert to fraction form
    197,763.66/272,911.68 = 107,117.37/x
  3. Step 3: Cross multiply
    197,763.66x = 272,911.68 × 107,117.37
  4. Step 4: Simplify right side
    197,763.66x = 29,233,581,403.88
  5. Step 5: Solve for x
    x = 29,233,581,403.88/197,763.66
  6. Step 6: Final answer
    x = 147,820.79

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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.