Home / 133,638.45-184,421.10-73,211.25

Finding the Fourth Proportional to 133,638.45, 184,421.10 and 73,211.25

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Solution

The fourth proportional to 133,638.45, 184,421.10 and 73,211.25 is: 101,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,638.45 : 184,421.10 = 73,211.25 : x
  2. Step 2: Convert to fraction form
    133,638.45/184,421.10 = 73,211.25/x
  3. Step 3: Cross multiply
    133,638.45x = 184,421.10 × 73,211.25
  4. Step 4: Simplify right side
    133,638.45x = 13,501,699,257.38
  5. Step 5: Solve for x
    x = 13,501,699,257.38/133,638.45
  6. Step 6: Final answer
    x = 101,031.55

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1.5x scale

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.