Home / 118,837.25-178,256.28-30,090.71

Finding the Fourth Proportional to 118,837.25, 178,256.28 and 30,090.71

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Solution

The fourth proportional to 118,837.25, 178,256.28 and 30,090.71 is: 45,136.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,837.25 : 178,256.28 = 30,090.71 : x
  2. Step 2: Convert to fraction form
    118,837.25/178,256.28 = 30,090.71/x
  3. Step 3: Cross multiply
    118,837.25x = 178,256.28 × 30,090.71
  4. Step 4: Simplify right side
    118,837.25x = 5,363,858,416.38
  5. Step 5: Solve for x
    x = 5,363,858,416.38/118,837.25
  6. Step 6: Final answer
    x = 45,136.17

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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.