Home / 115,518.96-173,234.70-45,360

Finding the Fourth Proportional to 115,518.96, 173,234.70 and 45,360

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Solution

The fourth proportional to 115,518.96, 173,234.70 and 45,360 is: 68,022.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,518.96 : 173,234.70 = 45,360 : x
  2. Step 2: Convert to fraction form
    115,518.96/173,234.70 = 45,360/x
  3. Step 3: Cross multiply
    115,518.96x = 173,234.70 × 45,360
  4. Step 4: Simplify right side
    115,518.96x = 7,857,925,992.00
  5. Step 5: Solve for x
    x = 7,857,925,992.00/115,518.96
  6. Step 6: Final answer
    x = 68,022.82

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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.