Home / 178,480.55-267,635.30-103,621.36

Finding the Fourth Proportional to 178,480.55, 267,635.30 and 103,621.36

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Solution

The fourth proportional to 178,480.55, 267,635.30 and 103,621.36 is: 155,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,480.55 : 267,635.30 = 103,621.36 : x
  2. Step 2: Convert to fraction form
    178,480.55/267,635.30 = 103,621.36/x
  3. Step 3: Cross multiply
    178,480.55x = 267,635.30 × 103,621.36
  4. Step 4: Simplify right side
    178,480.55x = 27,732,732,582.81
  5. Step 5: Solve for x
    x = 27,732,732,582.81/178,480.55
  6. Step 6: Final answer
    x = 155,382.38

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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.