Home / 143,836.58-215,731.53-67,935.03

Finding the Fourth Proportional to 143,836.58, 215,731.53 and 67,935.03

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Solution

The fourth proportional to 143,836.58, 215,731.53 and 67,935.03 is: 101,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,836.58 : 215,731.53 = 67,935.03 : x
  2. Step 2: Convert to fraction form
    143,836.58/215,731.53 = 67,935.03/x
  3. Step 3: Cross multiply
    143,836.58x = 215,731.53 × 67,935.03
  4. Step 4: Simplify right side
    143,836.58x = 14,655,727,962.50
  5. Step 5: Solve for x
    x = 14,655,727,962.50/143,836.58
  6. Step 6: Final answer
    x = 101,891.52

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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.