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Finding the Fourth Proportional to 180,452.64, 248,924.56 and 104,992.80

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Solution

The fourth proportional to 180,452.64, 248,924.56 and 104,992.80 is: 144,831.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,452.64 : 248,924.56 = 104,992.80 : x
  2. Step 2: Convert to fraction form
    180,452.64/248,924.56 = 104,992.80/x
  3. Step 3: Cross multiply
    180,452.64x = 248,924.56 × 104,992.80
  4. Step 4: Simplify right side
    180,452.64x = 26,135,286,543.17
  5. Step 5: Solve for x
    x = 26,135,286,543.17/180,452.64
  6. Step 6: Final answer
    x = 144,831.83

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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.