Home / 209,346.82-288,892.42-118,711.06

Finding the Fourth Proportional to 209,346.82, 288,892.42 and 118,711.06

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Solution

The fourth proportional to 209,346.82, 288,892.42 and 118,711.06 is: 163,817.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,346.82 : 288,892.42 = 118,711.06 : x
  2. Step 2: Convert to fraction form
    209,346.82/288,892.42 = 118,711.06/x
  3. Step 3: Cross multiply
    209,346.82x = 288,892.42 × 118,711.06
  4. Step 4: Simplify right side
    209,346.82x = 34,294,725,404.17
  5. Step 5: Solve for x
    x = 34,294,725,404.17/209,346.82
  6. Step 6: Final answer
    x = 163,817.75

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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.