Home / 197,141.46-272,054.94-112,258.53

Finding the Fourth Proportional to 197,141.46, 272,054.94 and 112,258.53

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Solution

The fourth proportional to 197,141.46, 272,054.94 and 112,258.53 is: 154,916.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,141.46 : 272,054.94 = 112,258.53 : x
  2. Step 2: Convert to fraction form
    197,141.46/272,054.94 = 112,258.53/x
  3. Step 3: Cross multiply
    197,141.46x = 272,054.94 × 112,258.53
  4. Step 4: Simplify right side
    197,141.46x = 30,540,487,643.64
  5. Step 5: Solve for x
    x = 30,540,487,643.64/197,141.46
  6. Step 6: Final answer
    x = 154,916.61

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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.