Home / 143,807.04-215,739.72-55,063.44

Finding the Fourth Proportional to 143,807.04, 215,739.72 and 55,063.44

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Solution

The fourth proportional to 143,807.04, 215,739.72 and 55,063.44 is: 82,606.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,807.04 : 215,739.72 = 55,063.44 : x
  2. Step 2: Convert to fraction form
    143,807.04/215,739.72 = 55,063.44/x
  3. Step 3: Cross multiply
    143,807.04x = 215,739.72 × 55,063.44
  4. Step 4: Simplify right side
    143,807.04x = 11,879,371,127.84
  5. Step 5: Solve for x
    x = 11,879,371,127.84/143,807.04
  6. Step 6: Final answer
    x = 82,606.33

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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.