Home / 98,922.60-148,380.30-39,742.20

Finding the Fourth Proportional to 98,922.60, 148,380.30 and 39,742.20

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Solution

The fourth proportional to 98,922.60, 148,380.30 and 39,742.20 is: 59,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,922.60 : 148,380.30 = 39,742.20 : x
  2. Step 2: Convert to fraction form
    98,922.60/148,380.30 = 39,742.20/x
  3. Step 3: Cross multiply
    98,922.60x = 148,380.30 × 39,742.20
  4. Step 4: Simplify right side
    98,922.60x = 5,896,959,558.66
  5. Step 5: Solve for x
    x = 5,896,959,558.66/98,922.60
  6. Step 6: Final answer
    x = 59,611.85

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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.