Home / 189,839.24-284,755.02-56,719.88

Finding the Fourth Proportional to 189,839.24, 284,755.02 and 56,719.88

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Solution

The fourth proportional to 189,839.24, 284,755.02 and 56,719.88 is: 85,078.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,839.24 : 284,755.02 = 56,719.88 : x
  2. Step 2: Convert to fraction form
    189,839.24/284,755.02 = 56,719.88/x
  3. Step 3: Cross multiply
    189,839.24x = 284,755.02 × 56,719.88
  4. Step 4: Simplify right side
    189,839.24x = 16,151,270,563.80
  5. Step 5: Solve for x
    x = 16,151,270,563.80/189,839.24
  6. Step 6: Final answer
    x = 85,078.67

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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.