Home / 136,123.20-204,257.70-57,245.40

Finding the Fourth Proportional to 136,123.20, 204,257.70 and 57,245.40

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Solution

The fourth proportional to 136,123.20, 204,257.70 and 57,245.40 is: 85,898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,123.20 : 204,257.70 = 57,245.40 : x
  2. Step 2: Convert to fraction form
    136,123.20/204,257.70 = 57,245.40/x
  3. Step 3: Cross multiply
    136,123.20x = 204,257.70 × 57,245.40
  4. Step 4: Simplify right side
    136,123.20x = 11,692,813,739.58
  5. Step 5: Solve for x
    x = 11,692,813,739.58/136,123.20
  6. Step 6: Final answer
    x = 85,898.76

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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.