Home / 118,960.65-178,428.83-40,075.56

Finding the Fourth Proportional to 118,960.65, 178,428.83 and 40,075.56

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Solution

The fourth proportional to 118,960.65, 178,428.83 and 40,075.56 is: 60,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,960.65 : 178,428.83 = 40,075.56 : x
  2. Step 2: Convert to fraction form
    118,960.65/178,428.83 = 40,075.56/x
  3. Step 3: Cross multiply
    118,960.65x = 178,428.83 × 40,075.56
  4. Step 4: Simplify right side
    118,960.65x = 7,150,635,082.02
  5. Step 5: Solve for x
    x = 7,150,635,082.02/118,960.65
  6. Step 6: Final answer
    x = 60,109.25

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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.