Home / 172,976.20-238,718.82-96,509.08

Finding the Fourth Proportional to 172,976.20, 238,718.82 and 96,509.08

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Solution

The fourth proportional to 172,976.20, 238,718.82 and 96,509.08 is: 133,189.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,976.20 : 238,718.82 = 96,509.08 : x
  2. Step 2: Convert to fraction form
    172,976.20/238,718.82 = 96,509.08/x
  3. Step 3: Cross multiply
    172,976.20x = 238,718.82 × 96,509.08
  4. Step 4: Simplify right side
    172,976.20x = 23,038,533,696.89
  5. Step 5: Solve for x
    x = 23,038,533,696.89/172,976.20
  6. Step 6: Final answer
    x = 133,189.04

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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.