Home / 124,860-172,304.18-68,271.38

Finding the Fourth Proportional to 124,860, 172,304.18 and 68,271.38

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Solution

The fourth proportional to 124,860, 172,304.18 and 68,271.38 is: 94,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,860 : 172,304.18 = 68,271.38 : x
  2. Step 2: Convert to fraction form
    124,860/172,304.18 = 68,271.38/x
  3. Step 3: Cross multiply
    124,860x = 172,304.18 × 68,271.38
  4. Step 4: Simplify right side
    124,860x = 11,763,444,148.37
  5. Step 5: Solve for x
    x = 11,763,444,148.37/124,860
  6. Step 6: Final answer
    x = 94,213.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.