Home / 172,854.44-238,554.79-104,888.63

Finding the Fourth Proportional to 172,854.44, 238,554.79 and 104,888.63

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Solution

The fourth proportional to 172,854.44, 238,554.79 and 104,888.63 is: 144,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,854.44 : 238,554.79 = 104,888.63 : x
  2. Step 2: Convert to fraction form
    172,854.44/238,554.79 = 104,888.63/x
  3. Step 3: Cross multiply
    172,854.44x = 238,554.79 × 104,888.63
  4. Step 4: Simplify right side
    172,854.44x = 25,021,685,103.04
  5. Step 5: Solve for x
    x = 25,021,685,103.04/172,854.44
  6. Step 6: Final answer
    x = 144,755.81

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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.