Home / 118,837.66-178,256.89-30,091.12

Finding the Fourth Proportional to 118,837.66, 178,256.89 and 30,091.12

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Solution

The fourth proportional to 118,837.66, 178,256.89 and 30,091.12 is: 45,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,837.66 : 178,256.89 = 30,091.12 : x
  2. Step 2: Convert to fraction form
    118,837.66/178,256.89 = 30,091.12/x
  3. Step 3: Cross multiply
    118,837.66x = 178,256.89 × 30,091.12
  4. Step 4: Simplify right side
    118,837.66x = 5,363,949,226.19
  5. Step 5: Solve for x
    x = 5,363,949,226.19/118,837.66
  6. Step 6: Final answer
    x = 45,136.78

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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.