Home / 116,478.88-174,809.04-81,188.80

Finding the Fourth Proportional to 116,478.88, 174,809.04 and 81,188.80

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Solution

The fourth proportional to 116,478.88, 174,809.04 and 81,188.80 is: 121,846.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,478.88 : 174,809.04 = 81,188.80 : x
  2. Step 2: Convert to fraction form
    116,478.88/174,809.04 = 81,188.80/x
  3. Step 3: Cross multiply
    116,478.88x = 174,809.04 × 81,188.80
  4. Step 4: Simplify right side
    116,478.88x = 14,192,536,186.75
  5. Step 5: Solve for x
    x = 14,192,536,186.75/116,478.88
  6. Step 6: Final answer
    x = 121,846.43

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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.