Home / 90,922.56-125,511.96-61,131.84

Finding the Fourth Proportional to 90,922.56, 125,511.96 and 61,131.84

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Solution

The fourth proportional to 90,922.56, 125,511.96 and 61,131.84 is: 84,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,922.56 : 125,511.96 = 61,131.84 : x
  2. Step 2: Convert to fraction form
    90,922.56/125,511.96 = 61,131.84/x
  3. Step 3: Cross multiply
    90,922.56x = 125,511.96 × 61,131.84
  4. Step 4: Simplify right side
    90,922.56x = 7,672,777,056.81
  5. Step 5: Solve for x
    x = 7,672,777,056.81/90,922.56
  6. Step 6: Final answer
    x = 84,388.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.