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Finding the Fourth Proportional to 133,506, 184,238.82 and 73,890

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Solution

The fourth proportional to 133,506, 184,238.82 and 73,890 is: 101,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,506 : 184,238.82 = 73,890 : x
  2. Step 2: Convert to fraction form
    133,506/184,238.82 = 73,890/x
  3. Step 3: Cross multiply
    133,506x = 184,238.82 × 73,890
  4. Step 4: Simplify right side
    133,506x = 13,613,406,409.80
  5. Step 5: Solve for x
    x = 13,613,406,409.80/133,506
  6. Step 6: Final answer
    x = 101,968.50

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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.