Home / 115,118.88-172,655.04-40,242.24

Finding the Fourth Proportional to 115,118.88, 172,655.04 and 40,242.24

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Solution

The fourth proportional to 115,118.88, 172,655.04 and 40,242.24 is: 60,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,118.88 : 172,655.04 = 40,242.24 : x
  2. Step 2: Convert to fraction form
    115,118.88/172,655.04 = 40,242.24/x
  3. Step 3: Cross multiply
    115,118.88x = 172,655.04 × 40,242.24
  4. Step 4: Simplify right side
    115,118.88x = 6,948,025,556.89
  5. Step 5: Solve for x
    x = 6,948,025,556.89/115,118.88
  6. Step 6: Final answer
    x = 60,355.22

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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.