Home / 118,814.20-178,122.62-62,622.92

Finding the Fourth Proportional to 118,814.20, 178,122.62 and 62,622.92

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Solution

The fourth proportional to 118,814.20, 178,122.62 and 62,622.92 is: 93,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,814.20 : 178,122.62 = 62,622.92 : x
  2. Step 2: Convert to fraction form
    118,814.20/178,122.62 = 62,622.92/x
  3. Step 3: Cross multiply
    118,814.20x = 178,122.62 × 62,622.92
  4. Step 4: Simplify right side
    118,814.20x = 11,154,558,582.45
  5. Step 5: Solve for x
    x = 11,154,558,582.45/118,814.20
  6. Step 6: Final answer
    x = 93,882.37

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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.