Home / 118,905.41-178,376.55-40,013.48

Finding the Fourth Proportional to 118,905.41, 178,376.55 and 40,013.48

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Solution

The fourth proportional to 118,905.41, 178,376.55 and 40,013.48 is: 60,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,905.41 : 178,376.55 = 40,013.48 : x
  2. Step 2: Convert to fraction form
    118,905.41/178,376.55 = 40,013.48/x
  3. Step 3: Cross multiply
    118,905.41x = 178,376.55 × 40,013.48
  4. Step 4: Simplify right side
    118,905.41x = 7,137,465,624.01
  5. Step 5: Solve for x
    x = 7,137,465,624.01/118,905.41
  6. Step 6: Final answer
    x = 60,026.42

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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.