Home / 281,085.24-421,334.10-123,180.60

Finding the Fourth Proportional to 281,085.24, 421,334.10 and 123,180.60

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Solution

The fourth proportional to 281,085.24, 421,334.10 and 123,180.60 is: 184,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,085.24 : 421,334.10 = 123,180.60 : x
  2. Step 2: Convert to fraction form
    281,085.24/421,334.10 = 123,180.60/x
  3. Step 3: Cross multiply
    281,085.24x = 421,334.10 × 123,180.60
  4. Step 4: Simplify right side
    281,085.24x = 51,900,187,238.46
  5. Step 5: Solve for x
    x = 51,900,187,238.46/281,085.24
  6. Step 6: Final answer
    x = 184,642.16

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Why These Related Problems?

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