Home / 103,076.58-154,647.15-31,032.34

Finding the Fourth Proportional to 103,076.58, 154,647.15 and 31,032.34

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Solution

The fourth proportional to 103,076.58, 154,647.15 and 31,032.34 is: 46,558.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,076.58 : 154,647.15 = 31,032.34 : x
  2. Step 2: Convert to fraction form
    103,076.58/154,647.15 = 31,032.34/x
  3. Step 3: Cross multiply
    103,076.58x = 154,647.15 × 31,032.34
  4. Step 4: Simplify right side
    103,076.58x = 4,799,062,958.07
  5. Step 5: Solve for x
    x = 4,799,062,958.07/103,076.58
  6. Step 6: Final answer
    x = 46,558.23

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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.