Home / 122,395.23-168,960.21-74,667.60

Finding the Fourth Proportional to 122,395.23, 168,960.21 and 74,667.60

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Solution

The fourth proportional to 122,395.23, 168,960.21 and 74,667.60 is: 103,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,395.23 : 168,960.21 = 74,667.60 : x
  2. Step 2: Convert to fraction form
    122,395.23/168,960.21 = 74,667.60/x
  3. Step 3: Cross multiply
    122,395.23x = 168,960.21 × 74,667.60
  4. Step 4: Simplify right side
    122,395.23x = 12,615,853,376.20
  5. Step 5: Solve for x
    x = 12,615,853,376.20/122,395.23
  6. Step 6: Final answer
    x = 103,074.71

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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.