Home / 308,134.48-425,210.04-172,141.42

Finding the Fourth Proportional to 308,134.48, 425,210.04 and 172,141.42

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Solution

The fourth proportional to 308,134.48, 425,210.04 and 172,141.42 is: 237,546.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,134.48 : 425,210.04 = 172,141.42 : x
  2. Step 2: Convert to fraction form
    308,134.48/425,210.04 = 172,141.42/x
  3. Step 3: Cross multiply
    308,134.48x = 425,210.04 × 172,141.42
  4. Step 4: Simplify right side
    308,134.48x = 73,196,260,083.86
  5. Step 5: Solve for x
    x = 73,196,260,083.86/308,134.48
  6. Step 6: Final answer
    x = 237,546.48

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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.