Home / 118,991.83-178,488.36-40,106.74

Finding the Fourth Proportional to 118,991.83, 178,488.36 and 40,106.74

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Solution

The fourth proportional to 118,991.83, 178,488.36 and 40,106.74 is: 60,160.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,991.83 : 178,488.36 = 40,106.74 : x
  2. Step 2: Convert to fraction form
    118,991.83/178,488.36 = 40,106.74/x
  3. Step 3: Cross multiply
    118,991.83x = 178,488.36 × 40,106.74
  4. Step 4: Simplify right side
    118,991.83x = 7,158,586,247.55
  5. Step 5: Solve for x
    x = 7,158,586,247.55/118,991.83
  6. Step 6: Final answer
    x = 60,160.32

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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.