Home / 173,623.80-260,387.10-55,331.40

Finding the Fourth Proportional to 173,623.80, 260,387.10 and 55,331.40

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Solution

The fourth proportional to 173,623.80, 260,387.10 and 55,331.40 is: 82,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,623.80 : 260,387.10 = 55,331.40 : x
  2. Step 2: Convert to fraction form
    173,623.80/260,387.10 = 55,331.40/x
  3. Step 3: Cross multiply
    173,623.80x = 260,387.10 × 55,331.40
  4. Step 4: Simplify right side
    173,623.80x = 14,407,582,784.94
  5. Step 5: Solve for x
    x = 14,407,582,784.94/173,623.80
  6. Step 6: Final answer
    x = 82,981.61

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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.