Home / 194,712.20-292,145.10-76,363.40

Finding the Fourth Proportional to 194,712.20, 292,145.10 and 76,363.40

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Solution

The fourth proportional to 194,712.20, 292,145.10 and 76,363.40 is: 114,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,712.20 : 292,145.10 = 76,363.40 : x
  2. Step 2: Convert to fraction form
    194,712.20/292,145.10 = 76,363.40/x
  3. Step 3: Cross multiply
    194,712.20x = 292,145.10 × 76,363.40
  4. Step 4: Simplify right side
    194,712.20x = 22,309,193,129.34
  5. Step 5: Solve for x
    x = 22,309,193,129.34/194,712.20
  6. Step 6: Final answer
    x = 114,575.22

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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.