Home / 194,712.59-292,089.39-80,847.47

Finding the Fourth Proportional to 194,712.59, 292,089.39 and 80,847.47

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Solution

The fourth proportional to 194,712.59, 292,089.39 and 80,847.47 is: 121,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,712.59 : 292,089.39 = 80,847.47 : x
  2. Step 2: Convert to fraction form
    194,712.59/292,089.39 = 80,847.47/x
  3. Step 3: Cross multiply
    194,712.59x = 292,089.39 × 80,847.47
  4. Step 4: Simplify right side
    194,712.59x = 23,614,688,195.34
  5. Step 5: Solve for x
    x = 23,614,688,195.34/194,712.59
  6. Step 6: Final answer
    x = 121,279.72

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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.