Home / 122,502.57-169,071.03-68,791.25

Finding the Fourth Proportional to 122,502.57, 169,071.03 and 68,791.25

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Solution

The fourth proportional to 122,502.57, 169,071.03 and 68,791.25 is: 94,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,502.57 : 169,071.03 = 68,791.25 : x
  2. Step 2: Convert to fraction form
    122,502.57/169,071.03 = 68,791.25/x
  3. Step 3: Cross multiply
    122,502.57x = 169,071.03 × 68,791.25
  4. Step 4: Simplify right side
    122,502.57x = 11,630,606,647.13
  5. Step 5: Solve for x
    x = 11,630,606,647.13/122,502.57
  6. Step 6: Final answer
    x = 94,941.74

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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.