Home / 133,317.93-183,976.79-72,888.81

Finding the Fourth Proportional to 133,317.93, 183,976.79 and 72,888.81

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Solution

The fourth proportional to 133,317.93, 183,976.79 and 72,888.81 is: 100,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,317.93 : 183,976.79 = 72,888.81 : x
  2. Step 2: Convert to fraction form
    133,317.93/183,976.79 = 72,888.81/x
  3. Step 3: Cross multiply
    133,317.93x = 183,976.79 × 72,888.81
  4. Step 4: Simplify right side
    133,317.93x = 13,409,848,926.28
  5. Step 5: Solve for x
    x = 13,409,848,926.28/133,317.93
  6. Step 6: Final answer
    x = 100,585.49

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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.