Home / 123,334.68-170,234.75-69,651.12

Finding the Fourth Proportional to 123,334.68, 170,234.75 and 69,651.12

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Solution

The fourth proportional to 123,334.68, 170,234.75 and 69,651.12 is: 96,137.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,334.68 : 170,234.75 = 69,651.12 : x
  2. Step 2: Convert to fraction form
    123,334.68/170,234.75 = 69,651.12/x
  3. Step 3: Cross multiply
    123,334.68x = 170,234.75 × 69,651.12
  4. Step 4: Simplify right side
    123,334.68x = 11,857,041,000.42
  5. Step 5: Solve for x
    x = 11,857,041,000.42/123,334.68
  6. Step 6: Final answer
    x = 96,137.12

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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.