Home / 118,769.14-178,139.35-30,023.41

Finding the Fourth Proportional to 118,769.14, 178,139.35 and 30,023.41

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Solution

The fourth proportional to 118,769.14, 178,139.35 and 30,023.41 is: 45,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,769.14 : 178,139.35 = 30,023.41 : x
  2. Step 2: Convert to fraction form
    118,769.14/178,139.35 = 30,023.41/x
  3. Step 3: Cross multiply
    118,769.14x = 178,139.35 × 30,023.41
  4. Step 4: Simplify right side
    118,769.14x = 5,348,350,668.38
  5. Step 5: Solve for x
    x = 5,348,350,668.38/118,769.14
  6. Step 6: Final answer
    x = 45,031.49

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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.