Home / 98,771.94-148,142.43-32,211.72

Finding the Fourth Proportional to 98,771.94, 148,142.43 and 32,211.72

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Solution

The fourth proportional to 98,771.94, 148,142.43 and 32,211.72 is: 48,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,771.94 : 148,142.43 = 32,211.72 : x
  2. Step 2: Convert to fraction form
    98,771.94/148,142.43 = 32,211.72/x
  3. Step 3: Cross multiply
    98,771.94x = 148,142.43 × 32,211.72
  4. Step 4: Simplify right side
    98,771.94x = 4,771,922,475.28
  5. Step 5: Solve for x
    x = 4,771,922,475.28/98,771.94
  6. Step 6: Final answer
    x = 48,312.53

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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.