Home / 120,294.08-180,467.04-50,137.28

Finding the Fourth Proportional to 120,294.08, 180,467.04 and 50,137.28

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Solution

The fourth proportional to 120,294.08, 180,467.04 and 50,137.28 is: 75,216.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,294.08 : 180,467.04 = 50,137.28 : x
  2. Step 2: Convert to fraction form
    120,294.08/180,467.04 = 50,137.28/x
  3. Step 3: Cross multiply
    120,294.08x = 180,467.04 × 50,137.28
  4. Step 4: Simplify right side
    120,294.08x = 9,048,126,515.25
  5. Step 5: Solve for x
    x = 9,048,126,515.25/120,294.08
  6. Step 6: Final answer
    x = 75,216.72

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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.