Home / 172,865.44-238,613.34-101,268.28

Finding the Fourth Proportional to 172,865.44, 238,613.34 and 101,268.28

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Solution

The fourth proportional to 172,865.44, 238,613.34 and 101,268.28 is: 139,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,865.44 : 238,613.34 = 101,268.28 : x
  2. Step 2: Convert to fraction form
    172,865.44/238,613.34 = 101,268.28/x
  3. Step 3: Cross multiply
    172,865.44x = 238,613.34 × 101,268.28
  4. Step 4: Simplify right side
    172,865.44x = 24,163,962,526.86
  5. Step 5: Solve for x
    x = 24,163,962,526.86/172,865.44
  6. Step 6: Final answer
    x = 139,784.81

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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.