Home / 209,982.80-289,769.04-119,337.18

Finding the Fourth Proportional to 209,982.80, 289,769.04 and 119,337.18

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Solution

The fourth proportional to 209,982.80, 289,769.04 and 119,337.18 is: 164,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,982.80 : 289,769.04 = 119,337.18 : x
  2. Step 2: Convert to fraction form
    209,982.80/289,769.04 = 119,337.18/x
  3. Step 3: Cross multiply
    209,982.80x = 289,769.04 × 119,337.18
  4. Step 4: Simplify right side
    209,982.80x = 34,580,220,084.91
  5. Step 5: Solve for x
    x = 34,580,220,084.91/209,982.80
  6. Step 6: Final answer
    x = 164,681.21

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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.