Home / 133,407.20-184,101.87-72,977.83

Finding the Fourth Proportional to 133,407.20, 184,101.87 and 72,977.83

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Solution

The fourth proportional to 133,407.20, 184,101.87 and 72,977.83 is: 100,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,407.20 : 184,101.87 = 72,977.83 : x
  2. Step 2: Convert to fraction form
    133,407.20/184,101.87 = 72,977.83/x
  3. Step 3: Cross multiply
    133,407.20x = 184,101.87 × 72,977.83
  4. Step 4: Simplify right side
    133,407.20x = 13,435,354,577.96
  5. Step 5: Solve for x
    x = 13,435,354,577.96/133,407.20
  6. Step 6: Final answer
    x = 100,709.37

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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.