Home / 133,638.31-184,420.90-73,211.12

Finding the Fourth Proportional to 133,638.31, 184,420.90 and 73,211.12

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Solution

The fourth proportional to 133,638.31, 184,420.90 and 73,211.12 is: 101,031.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,638.31 : 184,420.90 = 73,211.12 : x
  2. Step 2: Convert to fraction form
    133,638.31/184,420.90 = 73,211.12/x
  3. Step 3: Cross multiply
    133,638.31x = 184,420.90 × 73,211.12
  4. Step 4: Simplify right side
    133,638.31x = 13,501,660,640.41
  5. Step 5: Solve for x
    x = 13,501,660,640.41/133,638.31
  6. Step 6: Final answer
    x = 101,031.36

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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.