Home / 122,214.08-168,527.52-90,449.60

Finding the Fourth Proportional to 122,214.08, 168,527.52 and 90,449.60

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Solution

The fourth proportional to 122,214.08, 168,527.52 and 90,449.60 is: 124,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,214.08 : 168,527.52 = 90,449.60 : x
  2. Step 2: Convert to fraction form
    122,214.08/168,527.52 = 90,449.60/x
  3. Step 3: Cross multiply
    122,214.08x = 168,527.52 × 90,449.60
  4. Step 4: Simplify right side
    122,214.08x = 15,243,246,772.99
  5. Step 5: Solve for x
    x = 15,243,246,772.99/122,214.08
  6. Step 6: Final answer
    x = 124,725.78

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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.