Home / 256,185.03-384,291.56-106,440.46

Finding the Fourth Proportional to 256,185.03, 384,291.56 and 106,440.46

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Solution

The fourth proportional to 256,185.03, 384,291.56 and 106,440.46 is: 159,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,185.03 : 384,291.56 = 106,440.46 : x
  2. Step 2: Convert to fraction form
    256,185.03/384,291.56 = 106,440.46/x
  3. Step 3: Cross multiply
    256,185.03x = 384,291.56 × 106,440.46
  4. Step 4: Simplify right side
    256,185.03x = 40,904,170,420.52
  5. Step 5: Solve for x
    x = 40,904,170,420.52/256,185.03
  6. Step 6: Final answer
    x = 159,666.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.