Home / 308,076.08-425,102.91-172,093.21

Finding the Fourth Proportional to 308,076.08, 425,102.91 and 172,093.21

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Solution

The fourth proportional to 308,076.08, 425,102.91 and 172,093.21 is: 237,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,076.08 : 425,102.91 = 172,093.21 : x
  2. Step 2: Convert to fraction form
    308,076.08/425,102.91 = 172,093.21/x
  3. Step 3: Cross multiply
    308,076.08x = 425,102.91 × 172,093.21
  4. Step 4: Simplify right side
    308,076.08x = 73,157,323,138.15
  5. Step 5: Solve for x
    x = 73,157,323,138.15/308,076.08
  6. Step 6: Final answer
    x = 237,465.12

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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.