Home / 209,174.46-288,662.98-113,681.16

Finding the Fourth Proportional to 209,174.46, 288,662.98 and 113,681.16

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Solution

The fourth proportional to 209,174.46, 288,662.98 and 113,681.16 is: 156,881.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,174.46 : 288,662.98 = 113,681.16 : x
  2. Step 2: Convert to fraction form
    209,174.46/288,662.98 = 113,681.16/x
  3. Step 3: Cross multiply
    209,174.46x = 288,662.98 × 113,681.16
  4. Step 4: Simplify right side
    209,174.46x = 32,815,542,415.46
  5. Step 5: Solve for x
    x = 32,815,542,415.46/209,174.46
  6. Step 6: Final answer
    x = 156,881.21

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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.