Home / 99,486.41-149,135.81-49,519.26

Finding the Fourth Proportional to 99,486.41, 149,135.81 and 49,519.26

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Solution

The fourth proportional to 99,486.41, 149,135.81 and 49,519.26 is: 74,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,486.41 : 149,135.81 = 49,519.26 : x
  2. Step 2: Convert to fraction form
    99,486.41/149,135.81 = 49,519.26/x
  3. Step 3: Cross multiply
    99,486.41x = 149,135.81 × 49,519.26
  4. Step 4: Simplify right side
    99,486.41x = 7,385,094,703.10
  5. Step 5: Solve for x
    x = 7,385,094,703.10/99,486.41
  6. Step 6: Final answer
    x = 74,232.20

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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.