Home / 178,754.14-268,130.90-45,634.38

Finding the Fourth Proportional to 178,754.14, 268,130.90 and 45,634.38

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Solution

The fourth proportional to 178,754.14, 268,130.90 and 45,634.38 is: 68,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,754.14 : 268,130.90 = 45,634.38 : x
  2. Step 2: Convert to fraction form
    178,754.14/268,130.90 = 45,634.38/x
  3. Step 3: Cross multiply
    178,754.14x = 268,130.90 × 45,634.38
  4. Step 4: Simplify right side
    178,754.14x = 12,235,987,380.34
  5. Step 5: Solve for x
    x = 12,235,987,380.34/178,754.14
  6. Step 6: Final answer
    x = 68,451.49

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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.