Home / 159,321.96-219,741.50-98,928.36

Finding the Fourth Proportional to 159,321.96, 219,741.50 and 98,928.36

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Solution

The fourth proportional to 159,321.96, 219,741.50 and 98,928.36 is: 136,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,321.96 : 219,741.50 = 98,928.36 : x
  2. Step 2: Convert to fraction form
    159,321.96/219,741.50 = 98,928.36/x
  3. Step 3: Cross multiply
    159,321.96x = 219,741.50 × 98,928.36
  4. Step 4: Simplify right side
    159,321.96x = 21,738,666,218.94
  5. Step 5: Solve for x
    x = 21,738,666,218.94/159,321.96
  6. Step 6: Final answer
    x = 136,444.88

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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.