Home / 122,485.14-169,024.05-68,769.18

Finding the Fourth Proportional to 122,485.14, 169,024.05 and 68,769.18

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Solution

The fourth proportional to 122,485.14, 169,024.05 and 68,769.18 is: 94,898.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485.14 : 169,024.05 = 68,769.18 : x
  2. Step 2: Convert to fraction form
    122,485.14/169,024.05 = 68,769.18/x
  3. Step 3: Cross multiply
    122,485.14x = 169,024.05 × 68,769.18
  4. Step 4: Simplify right side
    122,485.14x = 11,623,645,318.78
  5. Step 5: Solve for x
    x = 11,623,645,318.78/122,485.14
  6. Step 6: Final answer
    x = 94,898.41

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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.