Home / 143,048.28-214,572.60-49,554.02

Finding the Fourth Proportional to 143,048.28, 214,572.60 and 49,554.02

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Solution

The fourth proportional to 143,048.28, 214,572.60 and 49,554.02 is: 74,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,048.28 : 214,572.60 = 49,554.02 : x
  2. Step 2: Convert to fraction form
    143,048.28/214,572.60 = 49,554.02/x
  3. Step 3: Cross multiply
    143,048.28x = 214,572.60 × 49,554.02
  4. Step 4: Simplify right side
    143,048.28x = 10,632,934,911.85
  5. Step 5: Solve for x
    x = 10,632,934,911.85/143,048.28
  6. Step 6: Final answer
    x = 74,331.09

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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.