Home / 149,625.41-206,509.85-89,199.96

Finding the Fourth Proportional to 149,625.41, 206,509.85 and 89,199.96

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Solution

The fourth proportional to 149,625.41, 206,509.85 and 89,199.96 is: 123,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,625.41 : 206,509.85 = 89,199.96 : x
  2. Step 2: Convert to fraction form
    149,625.41/206,509.85 = 89,199.96/x
  3. Step 3: Cross multiply
    149,625.41x = 206,509.85 × 89,199.96
  4. Step 4: Simplify right side
    149,625.41x = 18,420,669,913.61
  5. Step 5: Solve for x
    x = 18,420,669,913.61/149,625.41
  6. Step 6: Final answer
    x = 123,111.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.