Home / 119,209.46-178,814.35-30,463.05

Finding the Fourth Proportional to 119,209.46, 178,814.35 and 30,463.05

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Solution

The fourth proportional to 119,209.46, 178,814.35 and 30,463.05 is: 45,694.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,209.46 : 178,814.35 = 30,463.05 : x
  2. Step 2: Convert to fraction form
    119,209.46/178,814.35 = 30,463.05/x
  3. Step 3: Cross multiply
    119,209.46x = 178,814.35 × 30,463.05
  4. Step 4: Simplify right side
    119,209.46x = 5,447,231,193.40
  5. Step 5: Solve for x
    x = 5,447,231,193.40/119,209.46
  6. Step 6: Final answer
    x = 45,694.62

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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.