Home / 122,180.94-168,609.70-74,434.26

Finding the Fourth Proportional to 122,180.94, 168,609.70 and 74,434.26

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Solution

The fourth proportional to 122,180.94, 168,609.70 and 74,434.26 is: 102,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,180.94 : 168,609.70 = 74,434.26 : x
  2. Step 2: Convert to fraction form
    122,180.94/168,609.70 = 74,434.26/x
  3. Step 3: Cross multiply
    122,180.94x = 168,609.70 × 74,434.26
  4. Step 4: Simplify right side
    122,180.94x = 12,550,337,033.10
  5. Step 5: Solve for x
    x = 12,550,337,033.10/122,180.94
  6. Step 6: Final answer
    x = 102,719.27

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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.