Home / 143,293.02-214,611.75-68,465.76

Finding the Fourth Proportional to 143,293.02, 214,611.75 and 68,465.76

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Solution

The fourth proportional to 143,293.02, 214,611.75 and 68,465.76 is: 102,542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,293.02 : 214,611.75 = 68,465.76 : x
  2. Step 2: Convert to fraction form
    143,293.02/214,611.75 = 68,465.76/x
  3. Step 3: Cross multiply
    143,293.02x = 214,611.75 × 68,465.76
  4. Step 4: Simplify right side
    143,293.02x = 14,693,556,568.68
  5. Step 5: Solve for x
    x = 14,693,556,568.68/143,293.02
  6. Step 6: Final answer
    x = 102,542.03

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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.