Home / 122,684.04-169,309.98-68,985.90

Finding the Fourth Proportional to 122,684.04, 169,309.98 and 68,985.90

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Solution

The fourth proportional to 122,684.04, 169,309.98 and 68,985.90 is: 95,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,684.04 : 169,309.98 = 68,985.90 : x
  2. Step 2: Convert to fraction form
    122,684.04/169,309.98 = 68,985.90/x
  3. Step 3: Cross multiply
    122,684.04x = 169,309.98 × 68,985.90
  4. Step 4: Simplify right side
    122,684.04x = 11,680,001,349.28
  5. Step 5: Solve for x
    x = 11,680,001,349.28/122,684.04
  6. Step 6: Final answer
    x = 95,203.92

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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.