Home / 174,430.40-261,645.60-172,680.80

Finding the Fourth Proportional to 174,430.40, 261,645.60 and 172,680.80

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Solution

The fourth proportional to 174,430.40, 261,645.60 and 172,680.80 is: 259,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,430.40 : 261,645.60 = 172,680.80 : x
  2. Step 2: Convert to fraction form
    174,430.40/261,645.60 = 172,680.80/x
  3. Step 3: Cross multiply
    174,430.40x = 261,645.60 × 172,680.80
  4. Step 4: Simplify right side
    174,430.40x = 45,181,171,524.48
  5. Step 5: Solve for x
    x = 45,181,171,524.48/174,430.40
  6. Step 6: Final answer
    x = 259,021.20

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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.