Home / 134,193.20-201,289.80-89,956.40

Finding the Fourth Proportional to 134,193.20, 201,289.80 and 89,956.40

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Solution

The fourth proportional to 134,193.20, 201,289.80 and 89,956.40 is: 134,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,193.20 : 201,289.80 = 89,956.40 : x
  2. Step 2: Convert to fraction form
    134,193.20/201,289.80 = 89,956.40/x
  3. Step 3: Cross multiply
    134,193.20x = 201,289.80 × 89,956.40
  4. Step 4: Simplify right side
    134,193.20x = 18,107,305,764.72
  5. Step 5: Solve for x
    x = 18,107,305,764.72/134,193.20
  6. Step 6: Final answer
    x = 134,934.60

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Similar ratio
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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.