Home / 159,106.96-219,559.44-87,485.14

Finding the Fourth Proportional to 159,106.96, 219,559.44 and 87,485.14

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Solution

The fourth proportional to 159,106.96, 219,559.44 and 87,485.14 is: 120,725.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,106.96 : 219,559.44 = 87,485.14 : x
  2. Step 2: Convert to fraction form
    159,106.96/219,559.44 = 87,485.14/x
  3. Step 3: Cross multiply
    159,106.96x = 219,559.44 × 87,485.14
  4. Step 4: Simplify right side
    159,106.96x = 19,208,188,346.72
  5. Step 5: Solve for x
    x = 19,208,188,346.72/159,106.96
  6. Step 6: Final answer
    x = 120,725.00

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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.