Home / 151,381.44-227,861.64-128,549.16

Finding the Fourth Proportional to 151,381.44, 227,861.64 and 128,549.16

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Solution

The fourth proportional to 151,381.44, 227,861.64 and 128,549.16 is: 193,494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,381.44 : 227,861.64 = 128,549.16 : x
  2. Step 2: Convert to fraction form
    151,381.44/227,861.64 = 128,549.16/x
  3. Step 3: Cross multiply
    151,381.44x = 227,861.64 × 128,549.16
  4. Step 4: Simplify right side
    151,381.44x = 29,291,422,418.22
  5. Step 5: Solve for x
    x = 29,291,422,418.22/151,381.44
  6. Step 6: Final answer
    x = 193,494.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.