Home / 119,142.70-178,676.19-39,162.22

Finding the Fourth Proportional to 119,142.70, 178,676.19 and 39,162.22

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Solution

The fourth proportional to 119,142.70, 178,676.19 and 39,162.22 is: 58,730.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,142.70 : 178,676.19 = 39,162.22 : x
  2. Step 2: Convert to fraction form
    119,142.70/178,676.19 = 39,162.22/x
  3. Step 3: Cross multiply
    119,142.70x = 178,676.19 × 39,162.22
  4. Step 4: Simplify right side
    119,142.70x = 6,997,355,814.85
  5. Step 5: Solve for x
    x = 6,997,355,814.85/119,142.70
  6. Step 6: Final answer
    x = 58,730.88

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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.