Home / 122,273.52-168,579.48-79,176.36

Finding the Fourth Proportional to 122,273.52, 168,579.48 and 79,176.36

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Solution

The fourth proportional to 122,273.52, 168,579.48 and 79,176.36 is: 109,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,273.52 : 168,579.48 = 79,176.36 : x
  2. Step 2: Convert to fraction form
    122,273.52/168,579.48 = 79,176.36/x
  3. Step 3: Cross multiply
    122,273.52x = 168,579.48 × 79,176.36
  4. Step 4: Simplify right side
    122,273.52x = 13,347,509,597.09
  5. Step 5: Solve for x
    x = 13,347,509,597.09/122,273.52
  6. Step 6: Final answer
    x = 109,161.08

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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.