Home / 143,361.40-214,907.79-48,525.21

Finding the Fourth Proportional to 143,361.40, 214,907.79 and 48,525.21

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Solution

The fourth proportional to 143,361.40, 214,907.79 and 48,525.21 is: 72,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,361.40 : 214,907.79 = 48,525.21 : x
  2. Step 2: Convert to fraction form
    143,361.40/214,907.79 = 48,525.21/x
  3. Step 3: Cross multiply
    143,361.40x = 214,907.79 × 48,525.21
  4. Step 4: Simplify right side
    143,361.40x = 10,428,446,264.32
  5. Step 5: Solve for x
    x = 10,428,446,264.32/143,361.40
  6. Step 6: Final answer
    x = 72,742.36

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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.