Home / 120,395.08-180,609.54-50,258.44

Finding the Fourth Proportional to 120,395.08, 180,609.54 and 50,258.44

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Solution

The fourth proportional to 120,395.08, 180,609.54 and 50,258.44 is: 75,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,395.08 : 180,609.54 = 50,258.44 : x
  2. Step 2: Convert to fraction form
    120,395.08/180,609.54 = 50,258.44/x
  3. Step 3: Cross multiply
    120,395.08x = 180,609.54 × 50,258.44
  4. Step 4: Simplify right side
    120,395.08x = 9,077,153,729.52
  5. Step 5: Solve for x
    x = 9,077,153,729.52/120,395.08
  6. Step 6: Final answer
    x = 75,394.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.