Home / 99,539.40-149,309.10-44,135.40

Finding the Fourth Proportional to 99,539.40, 149,309.10 and 44,135.40

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Solution

The fourth proportional to 99,539.40, 149,309.10 and 44,135.40 is: 66,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,539.40 : 149,309.10 = 44,135.40 : x
  2. Step 2: Convert to fraction form
    99,539.40/149,309.10 = 44,135.40/x
  3. Step 3: Cross multiply
    99,539.40x = 149,309.10 × 44,135.40
  4. Step 4: Simplify right side
    99,539.40x = 6,589,816,852.14
  5. Step 5: Solve for x
    x = 6,589,816,852.14/99,539.40
  6. Step 6: Final answer
    x = 66,203.10

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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.