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Finding the Fourth Proportional to 133,649.76, 184,366.68 and 82,646.22

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Solution

The fourth proportional to 133,649.76, 184,366.68 and 82,646.22 is: 114,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,649.76 : 184,366.68 = 82,646.22 : x
  2. Step 2: Convert to fraction form
    133,649.76/184,366.68 = 82,646.22/x
  3. Step 3: Cross multiply
    133,649.76x = 184,366.68 × 82,646.22
  4. Step 4: Simplify right side
    133,649.76x = 15,237,209,195.95
  5. Step 5: Solve for x
    x = 15,237,209,195.95/133,649.76
  6. Step 6: Final answer
    x = 114,008.50

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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.