Home / 194,712.60-292,089.40-80,847.48

Finding the Fourth Proportional to 194,712.60, 292,089.40 and 80,847.48

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Solution

The fourth proportional to 194,712.60, 292,089.40 and 80,847.48 is: 121,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,712.60 : 292,089.40 = 80,847.48 : x
  2. Step 2: Convert to fraction form
    194,712.60/292,089.40 = 80,847.48/x
  3. Step 3: Cross multiply
    194,712.60x = 292,089.40 × 80,847.48
  4. Step 4: Simplify right side
    194,712.60x = 23,614,691,924.71
  5. Step 5: Solve for x
    x = 23,614,691,924.71/194,712.60
  6. Step 6: Final answer
    x = 121,279.73

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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.