Home / 209,204.46-288,703.89-113,711.13

Finding the Fourth Proportional to 209,204.46, 288,703.89 and 113,711.13

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Solution

The fourth proportional to 209,204.46, 288,703.89 and 113,711.13 is: 156,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,204.46 : 288,703.89 = 113,711.13 : x
  2. Step 2: Convert to fraction form
    209,204.46/288,703.89 = 113,711.13/x
  3. Step 3: Cross multiply
    209,204.46x = 288,703.89 × 113,711.13
  4. Step 4: Simplify right side
    209,204.46x = 32,828,845,567.30
  5. Step 5: Solve for x
    x = 32,828,845,567.30/209,204.46
  6. Step 6: Final answer
    x = 156,922.30

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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.