Home / 133,830.48-184,633.32-77,230.92

Finding the Fourth Proportional to 133,830.48, 184,633.32 and 77,230.92

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Solution

The fourth proportional to 133,830.48, 184,633.32 and 77,230.92 is: 106,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,830.48 : 184,633.32 = 77,230.92 : x
  2. Step 2: Convert to fraction form
    133,830.48/184,633.32 = 77,230.92/x
  3. Step 3: Cross multiply
    133,830.48x = 184,633.32 × 77,230.92
  4. Step 4: Simplify right side
    133,830.48x = 14,259,401,166.25
  5. Step 5: Solve for x
    x = 14,259,401,166.25/133,830.48
  6. Step 6: Final answer
    x = 106,548.23

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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.