Home / 99,531.20-149,293.60-32,974.40

Finding the Fourth Proportional to 99,531.20, 149,293.60 and 32,974.40

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Solution

The fourth proportional to 99,531.20, 149,293.60 and 32,974.40 is: 49,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,531.20 : 149,293.60 = 32,974.40 : x
  2. Step 2: Convert to fraction form
    99,531.20/149,293.60 = 32,974.40/x
  3. Step 3: Cross multiply
    99,531.20x = 149,293.60 × 32,974.40
  4. Step 4: Simplify right side
    99,531.20x = 4,922,866,883.84
  5. Step 5: Solve for x
    x = 4,922,866,883.84/99,531.20
  6. Step 6: Final answer
    x = 49,460.54

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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.