Home / 159,941.73-220,768.45-98,706.64

Finding the Fourth Proportional to 159,941.73, 220,768.45 and 98,706.64

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Solution

The fourth proportional to 159,941.73, 220,768.45 and 98,706.64 is: 136,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,941.73 : 220,768.45 = 98,706.64 : x
  2. Step 2: Convert to fraction form
    159,941.73/220,768.45 = 98,706.64/x
  3. Step 3: Cross multiply
    159,941.73x = 220,768.45 × 98,706.64
  4. Step 4: Simplify right side
    159,941.73x = 21,791,311,917.51
  5. Step 5: Solve for x
    x = 21,791,311,917.51/159,941.73
  6. Step 6: Final answer
    x = 136,245.32

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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.