Home / 208,914.24-288,297.18-113,420.10

Finding the Fourth Proportional to 208,914.24, 288,297.18 and 113,420.10

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Solution

The fourth proportional to 208,914.24, 288,297.18 and 113,420.10 is: 156,517.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,914.24 : 288,297.18 = 113,420.10 : x
  2. Step 2: Convert to fraction form
    208,914.24/288,297.18 = 113,420.10/x
  3. Step 3: Cross multiply
    208,914.24x = 288,297.18 × 113,420.10
  4. Step 4: Simplify right side
    208,914.24x = 32,698,694,985.32
  5. Step 5: Solve for x
    x = 32,698,694,985.32/208,914.24
  6. Step 6: Final answer
    x = 156,517.31

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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.