Home / 120,244.69-180,317.22-45,352.09

Finding the Fourth Proportional to 120,244.69, 180,317.22 and 45,352.09

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Solution

The fourth proportional to 120,244.69, 180,317.22 and 45,352.09 is: 68,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,244.69 : 180,317.22 = 45,352.09 : x
  2. Step 2: Convert to fraction form
    120,244.69/180,317.22 = 45,352.09/x
  3. Step 3: Cross multiply
    120,244.69x = 180,317.22 × 45,352.09
  4. Step 4: Simplify right side
    120,244.69x = 8,177,762,789.99
  5. Step 5: Solve for x
    x = 8,177,762,789.99/120,244.69
  6. Step 6: Final answer
    x = 68,009.35

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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.