Home / 122,476.86-169,006.40-68,749.56

Finding the Fourth Proportional to 122,476.86, 169,006.40 and 68,749.56

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Solution

The fourth proportional to 122,476.86, 169,006.40 and 68,749.56 is: 94,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,476.86 : 169,006.40 = 68,749.56 : x
  2. Step 2: Convert to fraction form
    122,476.86/169,006.40 = 68,749.56/x
  3. Step 3: Cross multiply
    122,476.86x = 169,006.40 × 68,749.56
  4. Step 4: Simplify right side
    122,476.86x = 11,619,115,637.18
  5. Step 5: Solve for x
    x = 11,619,115,637.18/122,476.86
  6. Step 6: Final answer
    x = 94,867.84

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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.