Home / 122,924.10-169,278.21-106,784.04

Finding the Fourth Proportional to 122,924.10, 169,278.21 and 106,784.04

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Solution

The fourth proportional to 122,924.10, 169,278.21 and 106,784.04 is: 147,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,924.10 : 169,278.21 = 106,784.04 : x
  2. Step 2: Convert to fraction form
    122,924.10/169,278.21 = 106,784.04/x
  3. Step 3: Cross multiply
    122,924.10x = 169,278.21 × 106,784.04
  4. Step 4: Simplify right side
    122,924.10x = 18,076,211,147.77
  5. Step 5: Solve for x
    x = 18,076,211,147.77/122,924.10
  6. Step 6: Final answer
    x = 147,051.81

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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.