Home / 133,430.41-184,070.35-82,424.78

Finding the Fourth Proportional to 133,430.41, 184,070.35 and 82,424.78

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Solution

The fourth proportional to 133,430.41, 184,070.35 and 82,424.78 is: 113,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,430.41 : 184,070.35 = 82,424.78 : x
  2. Step 2: Convert to fraction form
    133,430.41/184,070.35 = 82,424.78/x
  3. Step 3: Cross multiply
    133,430.41x = 184,070.35 × 82,424.78
  4. Step 4: Simplify right side
    133,430.41x = 15,171,958,103.27
  5. Step 5: Solve for x
    x = 15,171,958,103.27/133,430.41
  6. Step 6: Final answer
    x = 113,706.90

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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.