Home / 194,821.20-292,231.80-76,496.40

Finding the Fourth Proportional to 194,821.20, 292,231.80 and 76,496.40

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Solution

The fourth proportional to 194,821.20, 292,231.80 and 76,496.40 is: 114,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,821.20 : 292,231.80 = 76,496.40 : x
  2. Step 2: Convert to fraction form
    194,821.20/292,231.80 = 76,496.40/x
  3. Step 3: Cross multiply
    194,821.20x = 292,231.80 × 76,496.40
  4. Step 4: Simplify right side
    194,821.20x = 22,354,680,665.52
  5. Step 5: Solve for x
    x = 22,354,680,665.52/194,821.20
  6. Step 6: Final answer
    x = 114,744.60

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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.