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Finding the Fourth Proportional to 106,514.40, 159,771.60 and 89,601.60

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Solution

The fourth proportional to 106,514.40, 159,771.60 and 89,601.60 is: 134,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,514.40 : 159,771.60 = 89,601.60 : x
  2. Step 2: Convert to fraction form
    106,514.40/159,771.60 = 89,601.60/x
  3. Step 3: Cross multiply
    106,514.40x = 159,771.60 × 89,601.60
  4. Step 4: Simplify right side
    106,514.40x = 14,315,790,994.56
  5. Step 5: Solve for x
    x = 14,315,790,994.56/106,514.40
  6. Step 6: Final answer
    x = 134,402.40

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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.