Home / 133,669.90-184,464.43-79,967.55

Finding the Fourth Proportional to 133,669.90, 184,464.43 and 79,967.55

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Solution

The fourth proportional to 133,669.90, 184,464.43 and 79,967.55 is: 110,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,669.90 : 184,464.43 = 79,967.55 : x
  2. Step 2: Convert to fraction form
    133,669.90/184,464.43 = 79,967.55/x
  3. Step 3: Cross multiply
    133,669.90x = 184,464.43 × 79,967.55
  4. Step 4: Simplify right side
    133,669.90x = 14,751,168,529.25
  5. Step 5: Solve for x
    x = 14,751,168,529.25/133,669.90
  6. Step 6: Final answer
    x = 110,355.20

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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.