Home / 136,234.20-204,132.60-89,432.40

Finding the Fourth Proportional to 136,234.20, 204,132.60 and 89,432.40

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Solution

The fourth proportional to 136,234.20, 204,132.60 and 89,432.40 is: 134,005.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,234.20 : 204,132.60 = 89,432.40 : x
  2. Step 2: Convert to fraction form
    136,234.20/204,132.60 = 89,432.40/x
  3. Step 3: Cross multiply
    136,234.20x = 204,132.60 × 89,432.40
  4. Step 4: Simplify right side
    136,234.20x = 18,256,068,336.24
  5. Step 5: Solve for x
    x = 18,256,068,336.24/136,234.20
  6. Step 6: Final answer
    x = 134,005.03

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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.