Home / 166,857.32-230,295.12-130,486.70

Finding the Fourth Proportional to 166,857.32, 230,295.12 and 130,486.70

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Solution

The fourth proportional to 166,857.32, 230,295.12 and 130,486.70 is: 180,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,857.32 : 230,295.12 = 130,486.70 : x
  2. Step 2: Convert to fraction form
    166,857.32/230,295.12 = 130,486.70/x
  3. Step 3: Cross multiply
    166,857.32x = 230,295.12 × 130,486.70
  4. Step 4: Simplify right side
    166,857.32x = 30,050,450,234.90
  5. Step 5: Solve for x
    x = 30,050,450,234.90/166,857.32
  6. Step 6: Final answer
    x = 180,096.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.