Home / 74,936.34-112,401.86-18,776.92

Finding the Fourth Proportional to 74,936.34, 112,401.86 and 18,776.92

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Solution

The fourth proportional to 74,936.34, 112,401.86 and 18,776.92 is: 28,164.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,936.34 : 112,401.86 = 18,776.92 : x
  2. Step 2: Convert to fraction form
    74,936.34/112,401.86 = 18,776.92/x
  3. Step 3: Cross multiply
    74,936.34x = 112,401.86 × 18,776.92
  4. Step 4: Simplify right side
    74,936.34x = 2,110,560,733.07
  5. Step 5: Solve for x
    x = 2,110,560,733.07/74,936.34
  6. Step 6: Final answer
    x = 28,164.72

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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.