Home / 197,663.43-272,775.70-107,019.46

Finding the Fourth Proportional to 197,663.43, 272,775.70 and 107,019.46

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Solution

The fourth proportional to 197,663.43, 272,775.70 and 107,019.46 is: 147,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,663.43 : 272,775.70 = 107,019.46 : x
  2. Step 2: Convert to fraction form
    197,663.43/272,775.70 = 107,019.46/x
  3. Step 3: Cross multiply
    197,663.43x = 272,775.70 × 107,019.46
  4. Step 4: Simplify right side
    197,663.43x = 29,192,308,115.12
  5. Step 5: Solve for x
    x = 29,192,308,115.12/197,663.43
  6. Step 6: Final answer
    x = 147,686.95

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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.