Home / 99,402.84-149,072.67-32,830.56

Finding the Fourth Proportional to 99,402.84, 149,072.67 and 32,830.56

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Solution

The fourth proportional to 99,402.84, 149,072.67 and 32,830.56 is: 49,235.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,402.84 : 149,072.67 = 32,830.56 : x
  2. Step 2: Convert to fraction form
    99,402.84/149,072.67 = 32,830.56/x
  3. Step 3: Cross multiply
    99,402.84x = 149,072.67 × 32,830.56
  4. Step 4: Simplify right side
    99,402.84x = 4,894,139,236.80
  5. Step 5: Solve for x
    x = 4,894,139,236.80/99,402.84
  6. Step 6: Final answer
    x = 49,235.41

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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.