Home / 103,176.74-154,778.88-40,832.66

Finding the Fourth Proportional to 103,176.74, 154,778.88 and 40,832.66

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Solution

The fourth proportional to 103,176.74, 154,778.88 and 40,832.66 is: 61,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,176.74 : 154,778.88 = 40,832.66 : x
  2. Step 2: Convert to fraction form
    103,176.74/154,778.88 = 40,832.66/x
  3. Step 3: Cross multiply
    103,176.74x = 154,778.88 × 40,832.66
  4. Step 4: Simplify right side
    103,176.74x = 6,320,032,608.33
  5. Step 5: Solve for x
    x = 6,320,032,608.33/103,176.74
  6. Step 6: Final answer
    x = 61,254.44

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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.