Home / 133,688.25-184,489.79-79,975.53

Finding the Fourth Proportional to 133,688.25, 184,489.79 and 79,975.53

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Solution

The fourth proportional to 133,688.25, 184,489.79 and 79,975.53 is: 110,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,688.25 : 184,489.79 = 79,975.53 : x
  2. Step 2: Convert to fraction form
    133,688.25/184,489.79 = 79,975.53/x
  3. Step 3: Cross multiply
    133,688.25x = 184,489.79 × 79,975.53
  4. Step 4: Simplify right side
    133,688.25x = 14,754,668,334.96
  5. Step 5: Solve for x
    x = 14,754,668,334.96/133,688.25
  6. Step 6: Final answer
    x = 110,366.23

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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.