Home / 123,212.46-170,030.79-69,496.50

Finding the Fourth Proportional to 123,212.46, 170,030.79 and 69,496.50

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Solution

The fourth proportional to 123,212.46, 170,030.79 and 69,496.50 is: 95,903.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,212.46 : 170,030.79 = 69,496.50 : x
  2. Step 2: Convert to fraction form
    123,212.46/170,030.79 = 69,496.50/x
  3. Step 3: Cross multiply
    123,212.46x = 170,030.79 × 69,496.50
  4. Step 4: Simplify right side
    123,212.46x = 11,816,544,797.24
  5. Step 5: Solve for x
    x = 11,816,544,797.24/123,212.46
  6. Step 6: Final answer
    x = 95,903.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.