Home / 120,627.76-181,224.41-113,811.25

Finding the Fourth Proportional to 120,627.76, 181,224.41 and 113,811.25

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Solution

The fourth proportional to 120,627.76, 181,224.41 and 113,811.25 is: 170,983.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,627.76 : 181,224.41 = 113,811.25 : x
  2. Step 2: Convert to fraction form
    120,627.76/181,224.41 = 113,811.25/x
  3. Step 3: Cross multiply
    120,627.76x = 181,224.41 × 113,811.25
  4. Step 4: Simplify right side
    120,627.76x = 20,625,376,632.61
  5. Step 5: Solve for x
    x = 20,625,376,632.61/120,627.76
  6. Step 6: Final answer
    x = 170,983.67

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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.