Home / 123,299.30-170,153.03-66,710.67

Finding the Fourth Proportional to 123,299.30, 170,153.03 and 66,710.67

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Solution

The fourth proportional to 123,299.30, 170,153.03 and 66,710.67 is: 92,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,299.30 : 170,153.03 = 66,710.67 : x
  2. Step 2: Convert to fraction form
    123,299.30/170,153.03 = 66,710.67/x
  3. Step 3: Cross multiply
    123,299.30x = 170,153.03 × 66,710.67
  4. Step 4: Simplify right side
    123,299.30x = 11,351,022,932.02
  5. Step 5: Solve for x
    x = 11,351,022,932.02/123,299.30
  6. Step 6: Final answer
    x = 92,060.73

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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.