Home / 209,125.84-288,588.59-117,239.04

Finding the Fourth Proportional to 209,125.84, 288,588.59 and 117,239.04

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Solution

The fourth proportional to 209,125.84, 288,588.59 and 117,239.04 is: 161,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,125.84 : 288,588.59 = 117,239.04 : x
  2. Step 2: Convert to fraction form
    209,125.84/288,588.59 = 117,239.04/x
  3. Step 3: Cross multiply
    209,125.84x = 288,588.59 × 117,239.04
  4. Step 4: Simplify right side
    209,125.84x = 33,833,848,457.44
  5. Step 5: Solve for x
    x = 33,833,848,457.44/209,125.84
  6. Step 6: Final answer
    x = 161,787.03

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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.