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Finding the Fourth Proportional to 181,464.73, 250,448.56 and 130,645.67

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Solution

The fourth proportional to 181,464.73, 250,448.56 and 130,645.67 is: 180,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,464.73 : 250,448.56 = 130,645.67 : x
  2. Step 2: Convert to fraction form
    181,464.73/250,448.56 = 130,645.67/x
  3. Step 3: Cross multiply
    181,464.73x = 250,448.56 × 130,645.67
  4. Step 4: Simplify right side
    181,464.73x = 32,720,018,342.88
  5. Step 5: Solve for x
    x = 32,720,018,342.88/181,464.73
  6. Step 6: Final answer
    x = 180,310.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.