Home / 103,451.96-155,174.86-28,576.60

Finding the Fourth Proportional to 103,451.96, 155,174.86 and 28,576.60

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Solution

The fourth proportional to 103,451.96, 155,174.86 and 28,576.60 is: 42,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,451.96 : 155,174.86 = 28,576.60 : x
  2. Step 2: Convert to fraction form
    103,451.96/155,174.86 = 28,576.60/x
  3. Step 3: Cross multiply
    103,451.96x = 155,174.86 × 28,576.60
  4. Step 4: Simplify right side
    103,451.96x = 4,434,369,632.43
  5. Step 5: Solve for x
    x = 4,434,369,632.43/103,451.96
  6. Step 6: Final answer
    x = 42,864.05

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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.