Home / 126,571.04-189,707.52-51,644.42

Finding the Fourth Proportional to 126,571.04, 189,707.52 and 51,644.42

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Solution

The fourth proportional to 126,571.04, 189,707.52 and 51,644.42 is: 77,405.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,571.04 : 189,707.52 = 51,644.42 : x
  2. Step 2: Convert to fraction form
    126,571.04/189,707.52 = 51,644.42/x
  3. Step 3: Cross multiply
    126,571.04x = 189,707.52 × 51,644.42
  4. Step 4: Simplify right side
    126,571.04x = 9,797,334,840.04
  5. Step 5: Solve for x
    x = 9,797,334,840.04/126,571.04
  6. Step 6: Final answer
    x = 77,405.82

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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.