Home / 122,274.20-168,740.12-73,869.40

Finding the Fourth Proportional to 122,274.20, 168,740.12 and 73,869.40

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Solution

The fourth proportional to 122,274.20, 168,740.12 and 73,869.40 is: 101,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,274.20 : 168,740.12 = 73,869.40 : x
  2. Step 2: Convert to fraction form
    122,274.20/168,740.12 = 73,869.40/x
  3. Step 3: Cross multiply
    122,274.20x = 168,740.12 × 73,869.40
  4. Step 4: Simplify right side
    122,274.20x = 12,464,731,420.33
  5. Step 5: Solve for x
    x = 12,464,731,420.33/122,274.20
  6. Step 6: Final answer
    x = 101,940.81

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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.