Home / 192,102.72-265,242.24-124,159.92

Finding the Fourth Proportional to 192,102.72, 265,242.24 and 124,159.92

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Solution

The fourth proportional to 192,102.72, 265,242.24 and 124,159.92 is: 171,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,102.72 : 265,242.24 = 124,159.92 : x
  2. Step 2: Convert to fraction form
    192,102.72/265,242.24 = 124,159.92/x
  3. Step 3: Cross multiply
    192,102.72x = 265,242.24 × 124,159.92
  4. Step 4: Simplify right side
    192,102.72x = 32,932,455,299.02
  5. Step 5: Solve for x
    x = 32,932,455,299.02/192,102.72
  6. Step 6: Final answer
    x = 171,431.49

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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.