Home / 133,670.90-184,465.81-79,968.55

Finding the Fourth Proportional to 133,670.90, 184,465.81 and 79,968.55

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Solution

The fourth proportional to 133,670.90, 184,465.81 and 79,968.55 is: 110,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,670.90 : 184,465.81 = 79,968.55 : x
  2. Step 2: Convert to fraction form
    133,670.90/184,465.81 = 79,968.55/x
  3. Step 3: Cross multiply
    133,670.90x = 184,465.81 × 79,968.55
  4. Step 4: Simplify right side
    133,670.90x = 14,751,463,350.28
  5. Step 5: Solve for x
    x = 14,751,463,350.28/133,670.90
  6. Step 6: Final answer
    x = 110,356.58

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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.