Home / 104,172.14-143,747.28-58,223.30

Finding the Fourth Proportional to 104,172.14, 143,747.28 and 58,223.30

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Solution

The fourth proportional to 104,172.14, 143,747.28 and 58,223.30 is: 80,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,172.14 : 143,747.28 = 58,223.30 : x
  2. Step 2: Convert to fraction form
    104,172.14/143,747.28 = 58,223.30/x
  3. Step 3: Cross multiply
    104,172.14x = 143,747.28 × 58,223.30
  4. Step 4: Simplify right side
    104,172.14x = 8,369,441,007.62
  5. Step 5: Solve for x
    x = 8,369,441,007.62/104,172.14
  6. Step 6: Final answer
    x = 80,342.41

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1.5x scale

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.