Home / 122,359.36-168,853.24-68,643.40

Finding the Fourth Proportional to 122,359.36, 168,853.24 and 68,643.40

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Solution

The fourth proportional to 122,359.36, 168,853.24 and 68,643.40 is: 94,726.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,359.36 : 168,853.24 = 68,643.40 : x
  2. Step 2: Convert to fraction form
    122,359.36/168,853.24 = 68,643.40/x
  3. Step 3: Cross multiply
    122,359.36x = 168,853.24 × 68,643.40
  4. Step 4: Simplify right side
    122,359.36x = 11,590,660,494.62
  5. Step 5: Solve for x
    x = 11,590,660,494.62/122,359.36
  6. Step 6: Final answer
    x = 94,726.39

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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.