Home / 99,960.41-149,948.35-33,400.77

Finding the Fourth Proportional to 99,960.41, 149,948.35 and 33,400.77

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Solution

The fourth proportional to 99,960.41, 149,948.35 and 33,400.77 is: 50,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,960.41 : 149,948.35 = 33,400.77 : x
  2. Step 2: Convert to fraction form
    99,960.41/149,948.35 = 33,400.77/x
  3. Step 3: Cross multiply
    99,960.41x = 149,948.35 × 33,400.77
  4. Step 4: Simplify right side
    99,960.41x = 5,008,390,314.03
  5. Step 5: Solve for x
    x = 5,008,390,314.03/99,960.41
  6. Step 6: Final answer
    x = 50,103.74

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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.