Home / 122,395.22-168,960.23-74,667.59

Finding the Fourth Proportional to 122,395.22, 168,960.23 and 74,667.59

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Solution

The fourth proportional to 122,395.22, 168,960.23 and 74,667.59 is: 103,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,395.22 : 168,960.23 = 74,667.59 : x
  2. Step 2: Convert to fraction form
    122,395.22/168,960.23 = 74,667.59/x
  3. Step 3: Cross multiply
    122,395.22x = 168,960.23 × 74,667.59
  4. Step 4: Simplify right side
    122,395.22x = 12,615,853,179.95
  5. Step 5: Solve for x
    x = 12,615,853,179.95/122,395.22
  6. Step 6: Final answer
    x = 103,074.72

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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.