Home / 144,442.85-199,385.90-129,308.35

Finding the Fourth Proportional to 144,442.85, 199,385.90 and 129,308.35

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Solution

The fourth proportional to 144,442.85, 199,385.90 and 129,308.35 is: 178,494.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,442.85 : 199,385.90 = 129,308.35 : x
  2. Step 2: Convert to fraction form
    144,442.85/199,385.90 = 129,308.35/x
  3. Step 3: Cross multiply
    144,442.85x = 199,385.90 × 129,308.35
  4. Step 4: Simplify right side
    144,442.85x = 25,782,262,183.37
  5. Step 5: Solve for x
    x = 25,782,262,183.37/144,442.85
  6. Step 6: Final answer
    x = 178,494.56

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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.