Home / 159,055.13-219,491.39-91,069.85

Finding the Fourth Proportional to 159,055.13, 219,491.39 and 91,069.85

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Solution

The fourth proportional to 159,055.13, 219,491.39 and 91,069.85 is: 125,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,055.13 : 219,491.39 = 91,069.85 : x
  2. Step 2: Convert to fraction form
    159,055.13/219,491.39 = 91,069.85/x
  3. Step 3: Cross multiply
    159,055.13x = 219,491.39 × 91,069.85
  4. Step 4: Simplify right side
    159,055.13x = 19,989,047,093.81
  5. Step 5: Solve for x
    x = 19,989,047,093.81/159,055.13
  6. Step 6: Final answer
    x = 125,673.71

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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.