Home / 89,558.10-134,423.55-45,234.90

Finding the Fourth Proportional to 89,558.10, 134,423.55 and 45,234.90

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Solution

The fourth proportional to 89,558.10, 134,423.55 and 45,234.90 is: 67,895.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,558.10 : 134,423.55 = 45,234.90 : x
  2. Step 2: Convert to fraction form
    89,558.10/134,423.55 = 45,234.90/x
  3. Step 3: Cross multiply
    89,558.10x = 134,423.55 × 45,234.90
  4. Step 4: Simplify right side
    89,558.10x = 6,080,635,841.90
  5. Step 5: Solve for x
    x = 6,080,635,841.90/89,558.10
  6. Step 6: Final answer
    x = 67,895.99

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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.