Home / 218,619.50-301,687.79-133,736.55

Finding the Fourth Proportional to 218,619.50, 301,687.79 and 133,736.55

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Solution

The fourth proportional to 218,619.50, 301,687.79 and 133,736.55 is: 184,552.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,619.50 : 301,687.79 = 133,736.55 : x
  2. Step 2: Convert to fraction form
    218,619.50/301,687.79 = 133,736.55/x
  3. Step 3: Cross multiply
    218,619.50x = 301,687.79 × 133,736.55
  4. Step 4: Simplify right side
    218,619.50x = 40,346,683,543.04
  5. Step 5: Solve for x
    x = 40,346,683,543.04/218,619.50
  6. Step 6: Final answer
    x = 184,552.08

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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.