Home / 133,340.67-184,010.11-72,911.36

Finding the Fourth Proportional to 133,340.67, 184,010.11 and 72,911.36

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Solution

The fourth proportional to 133,340.67, 184,010.11 and 72,911.36 is: 100,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,340.67 : 184,010.11 = 72,911.36 : x
  2. Step 2: Convert to fraction form
    133,340.67/184,010.11 = 72,911.36/x
  3. Step 3: Cross multiply
    133,340.67x = 184,010.11 × 72,911.36
  4. Step 4: Simplify right side
    133,340.67x = 13,416,426,453.80
  5. Step 5: Solve for x
    x = 13,416,426,453.80/133,340.67
  6. Step 6: Final answer
    x = 100,617.66

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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.