Home / 118,934.46-178,051.74-79,393.50

Finding the Fourth Proportional to 118,934.46, 178,051.74 and 79,393.50

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Solution

The fourth proportional to 118,934.46, 178,051.74 and 79,393.50 is: 118,856.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,934.46 : 178,051.74 = 79,393.50 : x
  2. Step 2: Convert to fraction form
    118,934.46/178,051.74 = 79,393.50/x
  3. Step 3: Cross multiply
    118,934.46x = 178,051.74 × 79,393.50
  4. Step 4: Simplify right side
    118,934.46x = 14,136,150,819.69
  5. Step 5: Solve for x
    x = 14,136,150,819.69/118,934.46
  6. Step 6: Final answer
    x = 118,856.64

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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.