Home / 133,629.10-184,423.71-77,042.50

Finding the Fourth Proportional to 133,629.10, 184,423.71 and 77,042.50

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Solution

The fourth proportional to 133,629.10, 184,423.71 and 77,042.50 is: 106,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,629.10 : 184,423.71 = 77,042.50 : x
  2. Step 2: Convert to fraction form
    133,629.10/184,423.71 = 77,042.50/x
  3. Step 3: Cross multiply
    133,629.10x = 184,423.71 × 77,042.50
  4. Step 4: Simplify right side
    133,629.10x = 14,208,463,677.68
  5. Step 5: Solve for x
    x = 14,208,463,677.68/133,629.10
  6. Step 6: Final answer
    x = 106,327.62

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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.