Home / 262,956.24-394,122.87-120,681.57

Finding the Fourth Proportional to 262,956.24, 394,122.87 and 120,681.57

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Solution

The fourth proportional to 262,956.24, 394,122.87 and 120,681.57 is: 180,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,956.24 : 394,122.87 = 120,681.57 : x
  2. Step 2: Convert to fraction form
    262,956.24/394,122.87 = 120,681.57/x
  3. Step 3: Cross multiply
    262,956.24x = 394,122.87 × 120,681.57
  4. Step 4: Simplify right side
    262,956.24x = 47,563,366,724.51
  5. Step 5: Solve for x
    x = 47,563,366,724.51/262,956.24
  6. Step 6: Final answer
    x = 180,879.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.