Home / 195,072.72-292,668.06-138,256.50

Finding the Fourth Proportional to 195,072.72, 292,668.06 and 138,256.50

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Solution

The fourth proportional to 195,072.72, 292,668.06 and 138,256.50 is: 207,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,072.72 : 292,668.06 = 138,256.50 : x
  2. Step 2: Convert to fraction form
    195,072.72/292,668.06 = 138,256.50/x
  3. Step 3: Cross multiply
    195,072.72x = 292,668.06 × 138,256.50
  4. Step 4: Simplify right side
    195,072.72x = 40,463,261,637.39
  5. Step 5: Solve for x
    x = 40,463,261,637.39/195,072.72
  6. Step 6: Final answer
    x = 207,426.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.