Home / 129,861.83-194,719.85-45,598.55

Finding the Fourth Proportional to 129,861.83, 194,719.85 and 45,598.55

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Solution

The fourth proportional to 129,861.83, 194,719.85 and 45,598.55 is: 68,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,861.83 : 194,719.85 = 45,598.55 : x
  2. Step 2: Convert to fraction form
    129,861.83/194,719.85 = 45,598.55/x
  3. Step 3: Cross multiply
    129,861.83x = 194,719.85 × 45,598.55
  4. Step 4: Simplify right side
    129,861.83x = 8,878,941,785.62
  5. Step 5: Solve for x
    x = 8,878,941,785.62/129,861.83
  6. Step 6: Final answer
    x = 68,372.22

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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.