Home / 168,021.40-252,053.70-83,824.60

Finding the Fourth Proportional to 168,021.40, 252,053.70 and 83,824.60

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Solution

The fourth proportional to 168,021.40, 252,053.70 and 83,824.60 is: 125,747.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,021.40 : 252,053.70 = 83,824.60 : x
  2. Step 2: Convert to fraction form
    168,021.40/252,053.70 = 83,824.60/x
  3. Step 3: Cross multiply
    168,021.40x = 252,053.70 × 83,824.60
  4. Step 4: Simplify right side
    168,021.40x = 21,128,300,581.02
  5. Step 5: Solve for x
    x = 21,128,300,581.02/168,021.40
  6. Step 6: Final answer
    x = 125,747.68

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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.