Home / 156,797.40-235,098.90-90,204.60

Finding the Fourth Proportional to 156,797.40, 235,098.90 and 90,204.60

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Solution

The fourth proportional to 156,797.40, 235,098.90 and 90,204.60 is: 135,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,797.40 : 235,098.90 = 90,204.60 : x
  2. Step 2: Convert to fraction form
    156,797.40/235,098.90 = 90,204.60/x
  3. Step 3: Cross multiply
    156,797.40x = 235,098.90 × 90,204.60
  4. Step 4: Simplify right side
    156,797.40x = 21,207,002,234.94
  5. Step 5: Solve for x
    x = 21,207,002,234.94/156,797.40
  6. Step 6: Final answer
    x = 135,250.98

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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.