Home / 165,916.40-248,874.60-98,556.80

Finding the Fourth Proportional to 165,916.40, 248,874.60 and 98,556.80

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Solution

The fourth proportional to 165,916.40, 248,874.60 and 98,556.80 is: 147,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,916.40 : 248,874.60 = 98,556.80 : x
  2. Step 2: Convert to fraction form
    165,916.40/248,874.60 = 98,556.80/x
  3. Step 3: Cross multiply
    165,916.40x = 248,874.60 × 98,556.80
  4. Step 4: Simplify right side
    165,916.40x = 24,528,284,177.28
  5. Step 5: Solve for x
    x = 24,528,284,177.28/165,916.40
  6. Step 6: Final answer
    x = 147,835.20

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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.