Home / 122,145.04-168,558.60-68,429.08

Finding the Fourth Proportional to 122,145.04, 168,558.60 and 68,429.08

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Solution

The fourth proportional to 122,145.04, 168,558.60 and 68,429.08 is: 94,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,145.04 : 168,558.60 = 68,429.08 : x
  2. Step 2: Convert to fraction form
    122,145.04/168,558.60 = 68,429.08/x
  3. Step 3: Cross multiply
    122,145.04x = 168,558.60 × 68,429.08
  4. Step 4: Simplify right side
    122,145.04x = 11,534,309,924.09
  5. Step 5: Solve for x
    x = 11,534,309,924.09/122,145.04
  6. Step 6: Final answer
    x = 94,431.26

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1.5x scale

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.