Home / 172,690.36-238,316.78-96,214.62

Finding the Fourth Proportional to 172,690.36, 238,316.78 and 96,214.62

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Solution

The fourth proportional to 172,690.36, 238,316.78 and 96,214.62 is: 132,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,690.36 : 238,316.78 = 96,214.62 : x
  2. Step 2: Convert to fraction form
    172,690.36/238,316.78 = 96,214.62/x
  3. Step 3: Cross multiply
    172,690.36x = 238,316.78 × 96,214.62
  4. Step 4: Simplify right side
    172,690.36x = 22,929,558,427.32
  5. Step 5: Solve for x
    x = 22,929,558,427.32/172,690.36
  6. Step 6: Final answer
    x = 132,778.45

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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.