Home / 143,557.05-215,380.83-67,652.52

Finding the Fourth Proportional to 143,557.05, 215,380.83 and 67,652.52

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Solution

The fourth proportional to 143,557.05, 215,380.83 and 67,652.52 is: 101,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,557.05 : 215,380.83 = 67,652.52 : x
  2. Step 2: Convert to fraction form
    143,557.05/215,380.83 = 67,652.52/x
  3. Step 3: Cross multiply
    143,557.05x = 215,380.83 × 67,652.52
  4. Step 4: Simplify right side
    143,557.05x = 14,571,056,186.18
  5. Step 5: Solve for x
    x = 14,571,056,186.18/143,557.05
  6. Step 6: Final answer
    x = 101,500.11

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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.