Home / 159,208.73-219,739.43-91,271.31

Finding the Fourth Proportional to 159,208.73, 219,739.43 and 91,271.31

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Solution

The fourth proportional to 159,208.73, 219,739.43 and 91,271.31 is: 125,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,208.73 : 219,739.43 = 91,271.31 : x
  2. Step 2: Convert to fraction form
    159,208.73/219,739.43 = 91,271.31/x
  3. Step 3: Cross multiply
    159,208.73x = 219,739.43 × 91,271.31
  4. Step 4: Simplify right side
    159,208.73x = 20,055,905,178.40
  5. Step 5: Solve for x
    x = 20,055,905,178.40/159,208.73
  6. Step 6: Final answer
    x = 125,972.40

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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.