Home / 85,245.40-127,765.98-60,247.96

Finding the Fourth Proportional to 85,245.40, 127,765.98 and 60,247.96

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Solution

The fourth proportional to 85,245.40, 127,765.98 and 60,247.96 is: 90,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,245.40 : 127,765.98 = 60,247.96 : x
  2. Step 2: Convert to fraction form
    85,245.40/127,765.98 = 60,247.96/x
  3. Step 3: Cross multiply
    85,245.40x = 127,765.98 × 60,247.96
  4. Step 4: Simplify right side
    85,245.40x = 7,697,639,652.40
  5. Step 5: Solve for x
    x = 7,697,639,652.40/85,245.40
  6. Step 6: Final answer
    x = 90,299.77

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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.