Home / 159,594.56-220,242-87,977.15

Finding the Fourth Proportional to 159,594.56, 220,242 and 87,977.15

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Solution

The fourth proportional to 159,594.56, 220,242 and 87,977.15 is: 121,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,594.56 : 220,242 = 87,977.15 : x
  2. Step 2: Convert to fraction form
    159,594.56/220,242 = 87,977.15/x
  3. Step 3: Cross multiply
    159,594.56x = 220,242 × 87,977.15
  4. Step 4: Simplify right side
    159,594.56x = 19,376,262,369.09
  5. Step 5: Solve for x
    x = 19,376,262,369.09/159,594.56
  6. Step 6: Final answer
    x = 121,409.29

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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.