Home / 172,829.58-238,613.52-132,467.28

Finding the Fourth Proportional to 172,829.58, 238,613.52 and 132,467.28

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Solution

The fourth proportional to 172,829.58, 238,613.52 and 132,467.28 is: 182,888.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,829.58 : 238,613.52 = 132,467.28 : x
  2. Step 2: Convert to fraction form
    172,829.58/238,613.52 = 132,467.28/x
  3. Step 3: Cross multiply
    172,829.58x = 238,613.52 × 132,467.28
  4. Step 4: Simplify right side
    172,829.58x = 31,608,483,965.63
  5. Step 5: Solve for x
    x = 31,608,483,965.63/172,829.58
  6. Step 6: Final answer
    x = 182,888.16

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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.