Home / 258,014.16-386,626.57-108,172.67

Finding the Fourth Proportional to 258,014.16, 386,626.57 and 108,172.67

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Solution

The fourth proportional to 258,014.16, 386,626.57 and 108,172.67 is: 162,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,014.16 : 386,626.57 = 108,172.67 : x
  2. Step 2: Convert to fraction form
    258,014.16/386,626.57 = 108,172.67/x
  3. Step 3: Cross multiply
    258,014.16x = 386,626.57 × 108,172.67
  4. Step 4: Simplify right side
    258,014.16x = 41,822,426,166.28
  5. Step 5: Solve for x
    x = 41,822,426,166.28/258,014.16
  6. Step 6: Final answer
    x = 162,093.53

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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.