Home / 98,211.20-135,611.37-80,064.77

Finding the Fourth Proportional to 98,211.20, 135,611.37 and 80,064.77

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Solution

The fourth proportional to 98,211.20, 135,611.37 and 80,064.77 is: 110,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,211.20 : 135,611.37 = 80,064.77 : x
  2. Step 2: Convert to fraction form
    98,211.20/135,611.37 = 80,064.77/x
  3. Step 3: Cross multiply
    98,211.20x = 135,611.37 × 80,064.77
  4. Step 4: Simplify right side
    98,211.20x = 10,857,692,470.38
  5. Step 5: Solve for x
    x = 10,857,692,470.38/98,211.20
  6. Step 6: Final answer
    x = 110,554.53

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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.