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Finding the Fourth Proportional to 133,825.92, 184,673.52 and 77,255.52

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Solution

The fourth proportional to 133,825.92, 184,673.52 and 77,255.52 is: 106,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,825.92 : 184,673.52 = 77,255.52 : x
  2. Step 2: Convert to fraction form
    133,825.92/184,673.52 = 77,255.52/x
  3. Step 3: Cross multiply
    133,825.92x = 184,673.52 × 77,255.52
  4. Step 4: Simplify right side
    133,825.92x = 14,267,048,817.83
  5. Step 5: Solve for x
    x = 14,267,048,817.83/133,825.92
  6. Step 6: Final answer
    x = 106,609.01

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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.