Home / 119,085.80-178,626.87-40,255.38

Finding the Fourth Proportional to 119,085.80, 178,626.87 and 40,255.38

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Solution

The fourth proportional to 119,085.80, 178,626.87 and 40,255.38 is: 60,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,085.80 : 178,626.87 = 40,255.38 : x
  2. Step 2: Convert to fraction form
    119,085.80/178,626.87 = 40,255.38/x
  3. Step 3: Cross multiply
    119,085.80x = 178,626.87 × 40,255.38
  4. Step 4: Simplify right side
    119,085.80x = 7,190,692,530.06
  5. Step 5: Solve for x
    x = 7,190,692,530.06/119,085.80
  6. Step 6: Final answer
    x = 60,382.45

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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.