Home / 194,717.40-292,076.10-120,310.80

Finding the Fourth Proportional to 194,717.40, 292,076.10 and 120,310.80

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Solution

The fourth proportional to 194,717.40, 292,076.10 and 120,310.80 is: 180,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,717.40 : 292,076.10 = 120,310.80 : x
  2. Step 2: Convert to fraction form
    194,717.40/292,076.10 = 120,310.80/x
  3. Step 3: Cross multiply
    194,717.40x = 292,076.10 × 120,310.80
  4. Step 4: Simplify right side
    194,717.40x = 35,139,909,251.88
  5. Step 5: Solve for x
    x = 35,139,909,251.88/194,717.40
  6. Step 6: Final answer
    x = 180,466.20

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1.5x scale

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.