Home / 165,629.07-248,122.85-99,121.59

Finding the Fourth Proportional to 165,629.07, 248,122.85 and 99,121.59

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Solution

The fourth proportional to 165,629.07, 248,122.85 and 99,121.59 is: 148,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,629.07 : 248,122.85 = 99,121.59 : x
  2. Step 2: Convert to fraction form
    165,629.07/248,122.85 = 99,121.59/x
  3. Step 3: Cross multiply
    165,629.07x = 248,122.85 × 99,121.59
  4. Step 4: Simplify right side
    165,629.07x = 24,594,330,911.72
  5. Step 5: Solve for x
    x = 24,594,330,911.72/165,629.07
  6. Step 6: Final answer
    x = 148,490.42

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1.5x scale

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.