Home / 89,204.44-133,818.90-51,782.08

Finding the Fourth Proportional to 89,204.44, 133,818.90 and 51,782.08

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Solution

The fourth proportional to 89,204.44, 133,818.90 and 51,782.08 is: 77,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,204.44 : 133,818.90 = 51,782.08 : x
  2. Step 2: Convert to fraction form
    89,204.44/133,818.90 = 51,782.08/x
  3. Step 3: Cross multiply
    89,204.44x = 133,818.90 × 51,782.08
  4. Step 4: Simplify right side
    89,204.44x = 6,929,420,985.31
  5. Step 5: Solve for x
    x = 6,929,420,985.31/89,204.44
  6. Step 6: Final answer
    x = 77,680.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.