Home / 133,639.20-184,420.08-73,209.60

Finding the Fourth Proportional to 133,639.20, 184,420.08 and 73,209.60

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Solution

The fourth proportional to 133,639.20, 184,420.08 and 73,209.60 is: 101,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,639.20 : 184,420.08 = 73,209.60 : x
  2. Step 2: Convert to fraction form
    133,639.20/184,420.08 = 73,209.60/x
  3. Step 3: Cross multiply
    133,639.20x = 184,420.08 × 73,209.60
  4. Step 4: Simplify right side
    133,639.20x = 13,501,320,288.77
  5. Step 5: Solve for x
    x = 13,501,320,288.77/133,639.20
  6. Step 6: Final answer
    x = 101,028.14

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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.