Home / 159,222.96-219,729.56-91,238.58

Finding the Fourth Proportional to 159,222.96, 219,729.56 and 91,238.58

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Solution

The fourth proportional to 159,222.96, 219,729.56 and 91,238.58 is: 125,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,222.96 : 219,729.56 = 91,238.58 : x
  2. Step 2: Convert to fraction form
    159,222.96/219,729.56 = 91,238.58/x
  3. Step 3: Cross multiply
    159,222.96x = 219,729.56 × 91,238.58
  4. Step 4: Simplify right side
    159,222.96x = 20,047,812,582.23
  5. Step 5: Solve for x
    x = 20,047,812,582.23/159,222.96
  6. Step 6: Final answer
    x = 125,910.31

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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.