Home / 172,945.15-238,643.08-96,446.32

Finding the Fourth Proportional to 172,945.15, 238,643.08 and 96,446.32

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Solution

The fourth proportional to 172,945.15, 238,643.08 and 96,446.32 is: 133,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,945.15 : 238,643.08 = 96,446.32 : x
  2. Step 2: Convert to fraction form
    172,945.15/238,643.08 = 96,446.32/x
  3. Step 3: Cross multiply
    172,945.15x = 238,643.08 × 96,446.32
  4. Step 4: Simplify right side
    172,945.15x = 23,016,246,021.74
  5. Step 5: Solve for x
    x = 23,016,246,021.74/172,945.15
  6. Step 6: Final answer
    x = 133,084.08

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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.