Home / 133,405.34-184,103.77-72,974.60

Finding the Fourth Proportional to 133,405.34, 184,103.77 and 72,974.60

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Solution

The fourth proportional to 133,405.34, 184,103.77 and 72,974.60 is: 100,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,405.34 : 184,103.77 = 72,974.60 : x
  2. Step 2: Convert to fraction form
    133,405.34/184,103.77 = 72,974.60/x
  3. Step 3: Cross multiply
    133,405.34x = 184,103.77 × 72,974.60
  4. Step 4: Simplify right side
    133,405.34x = 13,434,899,252.06
  5. Step 5: Solve for x
    x = 13,434,899,252.06/133,405.34
  6. Step 6: Final answer
    x = 100,707.36

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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.