Home / 198,733.12-298,099.36-50,989.12

Finding the Fourth Proportional to 198,733.12, 298,099.36 and 50,989.12

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Solution

The fourth proportional to 198,733.12, 298,099.36 and 50,989.12 is: 76,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,733.12 : 298,099.36 = 50,989.12 : x
  2. Step 2: Convert to fraction form
    198,733.12/298,099.36 = 50,989.12/x
  3. Step 3: Cross multiply
    198,733.12x = 298,099.36 × 50,989.12
  4. Step 4: Simplify right side
    198,733.12x = 15,199,824,038.96
  5. Step 5: Solve for x
    x = 15,199,824,038.96/198,733.12
  6. Step 6: Final answer
    x = 76,483.60

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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.