Home / 142,697.51-197,054.94-106,825.25

Finding the Fourth Proportional to 142,697.51, 197,054.94 and 106,825.25

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Solution

The fourth proportional to 142,697.51, 197,054.94 and 106,825.25 is: 147,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,697.51 : 197,054.94 = 106,825.25 : x
  2. Step 2: Convert to fraction form
    142,697.51/197,054.94 = 106,825.25/x
  3. Step 3: Cross multiply
    142,697.51x = 197,054.94 × 106,825.25
  4. Step 4: Simplify right side
    142,697.51x = 21,050,442,243.96
  5. Step 5: Solve for x
    x = 21,050,442,243.96/142,697.51
  6. Step 6: Final answer
    x = 147,517.93

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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.