Home / 90,941.96-136,420.94-27,776.34

Finding the Fourth Proportional to 90,941.96, 136,420.94 and 27,776.34

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Solution

The fourth proportional to 90,941.96, 136,420.94 and 27,776.34 is: 41,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,941.96 : 136,420.94 = 27,776.34 : x
  2. Step 2: Convert to fraction form
    90,941.96/136,420.94 = 27,776.34/x
  3. Step 3: Cross multiply
    90,941.96x = 136,420.94 × 27,776.34
  4. Step 4: Simplify right side
    90,941.96x = 3,789,274,412.56
  5. Step 5: Solve for x
    x = 3,789,274,412.56/90,941.96
  6. Step 6: Final answer
    x = 41,666.95

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1.5x scale

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.