Home / 133,701.72-184,508.40-73,271.81

Finding the Fourth Proportional to 133,701.72, 184,508.40 and 73,271.81

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Solution

The fourth proportional to 133,701.72, 184,508.40 and 73,271.81 is: 101,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,701.72 : 184,508.40 = 73,271.81 : x
  2. Step 2: Convert to fraction form
    133,701.72/184,508.40 = 73,271.81/x
  3. Step 3: Cross multiply
    133,701.72x = 184,508.40 × 73,271.81
  4. Step 4: Simplify right side
    133,701.72x = 13,519,263,505.66
  5. Step 5: Solve for x
    x = 13,519,263,505.66/133,701.72
  6. Step 6: Final answer
    x = 101,115.11

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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.