Home / 208,929.90-288,322.44-113,436.56

Finding the Fourth Proportional to 208,929.90, 288,322.44 and 113,436.56

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Solution

The fourth proportional to 208,929.90, 288,322.44 and 113,436.56 is: 156,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,929.90 : 288,322.44 = 113,436.56 : x
  2. Step 2: Convert to fraction form
    208,929.90/288,322.44 = 113,436.56/x
  3. Step 3: Cross multiply
    208,929.90x = 288,322.44 × 113,436.56
  4. Step 4: Simplify right side
    208,929.90x = 32,706,305,764.41
  5. Step 5: Solve for x
    x = 32,706,305,764.41/208,929.90
  6. Step 6: Final answer
    x = 156,542.01

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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.