Home / 165,613.26-248,461.20-76,929.60

Finding the Fourth Proportional to 165,613.26, 248,461.20 and 76,929.60

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Solution

The fourth proportional to 165,613.26, 248,461.20 and 76,929.60 is: 115,413.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,613.26 : 248,461.20 = 76,929.60 : x
  2. Step 2: Convert to fraction form
    165,613.26/248,461.20 = 76,929.60/x
  3. Step 3: Cross multiply
    165,613.26x = 248,461.20 × 76,929.60
  4. Step 4: Simplify right side
    165,613.26x = 19,114,020,731.52
  5. Step 5: Solve for x
    x = 19,114,020,731.52/165,613.26
  6. Step 6: Final answer
    x = 115,413.59

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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.