Home / 194,492.60-291,278.10-131,823.80

Finding the Fourth Proportional to 194,492.60, 291,278.10 and 131,823.80

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Solution

The fourth proportional to 194,492.60, 291,278.10 and 131,823.80 is: 197,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,492.60 : 291,278.10 = 131,823.80 : x
  2. Step 2: Convert to fraction form
    194,492.60/291,278.10 = 131,823.80/x
  3. Step 3: Cross multiply
    194,492.60x = 291,278.10 × 131,823.80
  4. Step 4: Simplify right side
    194,492.60x = 38,397,385,998.78
  5. Step 5: Solve for x
    x = 38,397,385,998.78/194,492.60
  6. Step 6: Final answer
    x = 197,423.38

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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.