Home / 126,494.72-174,644.16-81,192.32

Finding the Fourth Proportional to 126,494.72, 174,644.16 and 81,192.32

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Solution

The fourth proportional to 126,494.72, 174,644.16 and 81,192.32 is: 112,097.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,494.72 : 174,644.16 = 81,192.32 : x
  2. Step 2: Convert to fraction form
    126,494.72/174,644.16 = 81,192.32/x
  3. Step 3: Cross multiply
    126,494.72x = 174,644.16 × 81,192.32
  4. Step 4: Simplify right side
    126,494.72x = 14,179,764,524.85
  5. Step 5: Solve for x
    x = 14,179,764,524.85/126,494.72
  6. Step 6: Final answer
    x = 112,097.68

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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.