Home / 265,766.08-398,806.24-107,982.40

Finding the Fourth Proportional to 265,766.08, 398,806.24 and 107,982.40

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Solution

The fourth proportional to 265,766.08, 398,806.24 and 107,982.40 is: 162,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,766.08 : 398,806.24 = 107,982.40 : x
  2. Step 2: Convert to fraction form
    265,766.08/398,806.24 = 107,982.40/x
  3. Step 3: Cross multiply
    265,766.08x = 398,806.24 × 107,982.40
  4. Step 4: Simplify right side
    265,766.08x = 43,064,054,930.18
  5. Step 5: Solve for x
    x = 43,064,054,930.18/265,766.08
  6. Step 6: Final answer
    x = 162,037.44

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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.