Home / 115,214.01-172,821-36,336.21

Finding the Fourth Proportional to 115,214.01, 172,821 and 36,336.21

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Solution

The fourth proportional to 115,214.01, 172,821 and 36,336.21 is: 54,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,214.01 : 172,821 = 36,336.21 : x
  2. Step 2: Convert to fraction form
    115,214.01/172,821 = 36,336.21/x
  3. Step 3: Cross multiply
    115,214.01x = 172,821 × 36,336.21
  4. Step 4: Simplify right side
    115,214.01x = 6,279,660,148.41
  5. Step 5: Solve for x
    x = 6,279,660,148.41/115,214.01
  6. Step 6: Final answer
    x = 54,504.31

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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.