Home / 134,769.80-202,321.10-84,849.80

Finding the Fourth Proportional to 134,769.80, 202,321.10 and 84,849.80

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Solution

The fourth proportional to 134,769.80, 202,321.10 and 84,849.80 is: 127,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,769.80 : 202,321.10 = 84,849.80 : x
  2. Step 2: Convert to fraction form
    134,769.80/202,321.10 = 84,849.80/x
  3. Step 3: Cross multiply
    134,769.80x = 202,321.10 × 84,849.80
  4. Step 4: Simplify right side
    134,769.80x = 17,166,904,870.78
  5. Step 5: Solve for x
    x = 17,166,904,870.78/134,769.80
  6. Step 6: Final answer
    x = 127,379.46

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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.