Home / 197,642.81-272,745.82-106,998.13

Finding the Fourth Proportional to 197,642.81, 272,745.82 and 106,998.13

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Solution

The fourth proportional to 197,642.81, 272,745.82 and 106,998.13 is: 147,656.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,642.81 : 272,745.82 = 106,998.13 : x
  2. Step 2: Convert to fraction form
    197,642.81/272,745.82 = 106,998.13/x
  3. Step 3: Cross multiply
    197,642.81x = 272,745.82 × 106,998.13
  4. Step 4: Simplify right side
    197,642.81x = 29,183,292,705.32
  5. Step 5: Solve for x
    x = 29,183,292,705.32/197,642.81
  6. Step 6: Final answer
    x = 147,656.74

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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.