Home / 124,460.44-171,768.36-76,712.56

Finding the Fourth Proportional to 124,460.44, 171,768.36 and 76,712.56

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Solution

The fourth proportional to 124,460.44, 171,768.36 and 76,712.56 is: 105,871.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,460.44 : 171,768.36 = 76,712.56 : x
  2. Step 2: Convert to fraction form
    124,460.44/171,768.36 = 76,712.56/x
  3. Step 3: Cross multiply
    124,460.44x = 171,768.36 × 76,712.56
  4. Step 4: Simplify right side
    124,460.44x = 13,176,790,480.85
  5. Step 5: Solve for x
    x = 13,176,790,480.85/124,460.44
  6. Step 6: Final answer
    x = 105,871.32

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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.