Home / 135,004.28-202,579.54-56,172.92

Finding the Fourth Proportional to 135,004.28, 202,579.54 and 56,172.92

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Solution

The fourth proportional to 135,004.28, 202,579.54 and 56,172.92 is: 84,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,004.28 : 202,579.54 = 56,172.92 : x
  2. Step 2: Convert to fraction form
    135,004.28/202,579.54 = 56,172.92/x
  3. Step 3: Cross multiply
    135,004.28x = 202,579.54 × 56,172.92
  4. Step 4: Simplify right side
    135,004.28x = 11,379,484,294.06
  5. Step 5: Solve for x
    x = 11,379,484,294.06/135,004.28
  6. Step 6: Final answer
    x = 84,289.80

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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.