Home / 148,611.88-205,196.68-91,330.25

Finding the Fourth Proportional to 148,611.88, 205,196.68 and 91,330.25

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Solution

The fourth proportional to 148,611.88, 205,196.68 and 91,330.25 is: 126,104.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,611.88 : 205,196.68 = 91,330.25 : x
  2. Step 2: Convert to fraction form
    148,611.88/205,196.68 = 91,330.25/x
  3. Step 3: Cross multiply
    148,611.88x = 205,196.68 × 91,330.25
  4. Step 4: Simplify right side
    148,611.88x = 18,740,663,171.75
  5. Step 5: Solve for x
    x = 18,740,663,171.75/148,611.88
  6. Step 6: Final answer
    x = 126,104.74

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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.