Home / 123,974.08-186,040.32-45,080.80

Finding the Fourth Proportional to 123,974.08, 186,040.32 and 45,080.80

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Solution

The fourth proportional to 123,974.08, 186,040.32 and 45,080.80 is: 67,650.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,974.08 : 186,040.32 = 45,080.80 : x
  2. Step 2: Convert to fraction form
    123,974.08/186,040.32 = 45,080.80/x
  3. Step 3: Cross multiply
    123,974.08x = 186,040.32 × 45,080.80
  4. Step 4: Simplify right side
    123,974.08x = 8,386,846,457.86
  5. Step 5: Solve for x
    x = 8,386,846,457.86/123,974.08
  6. Step 6: Final answer
    x = 67,650.00

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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.