Home / 115,271.20-172,984.48-40,392.03

Finding the Fourth Proportional to 115,271.20, 172,984.48 and 40,392.03

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Solution

The fourth proportional to 115,271.20, 172,984.48 and 40,392.03 is: 60,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,271.20 : 172,984.48 = 40,392.03 : x
  2. Step 2: Convert to fraction form
    115,271.20/172,984.48 = 40,392.03/x
  3. Step 3: Cross multiply
    115,271.20x = 172,984.48 × 40,392.03
  4. Step 4: Simplify right side
    115,271.20x = 6,987,194,305.69
  5. Step 5: Solve for x
    x = 6,987,194,305.69/115,271.20
  6. Step 6: Final answer
    x = 60,615.26

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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.