Home / 171,769.44-237,044.16-128,672.58

Finding the Fourth Proportional to 171,769.44, 237,044.16 and 128,672.58

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Solution

The fourth proportional to 171,769.44, 237,044.16 and 128,672.58 is: 177,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,769.44 : 237,044.16 = 128,672.58 : x
  2. Step 2: Convert to fraction form
    171,769.44/237,044.16 = 128,672.58/x
  3. Step 3: Cross multiply
    171,769.44x = 237,044.16 × 128,672.58
  4. Step 4: Simplify right side
    171,769.44x = 30,501,083,641.13
  5. Step 5: Solve for x
    x = 30,501,083,641.13/171,769.44
  6. Step 6: Final answer
    x = 177,569.91

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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.