Home / 116,584.80-174,877.20-81,155.40

Finding the Fourth Proportional to 116,584.80, 174,877.20 and 81,155.40

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Solution

The fourth proportional to 116,584.80, 174,877.20 and 81,155.40 is: 121,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,584.80 : 174,877.20 = 81,155.40 : x
  2. Step 2: Convert to fraction form
    116,584.80/174,877.20 = 81,155.40/x
  3. Step 3: Cross multiply
    116,584.80x = 174,877.20 × 81,155.40
  4. Step 4: Simplify right side
    116,584.80x = 14,192,229,116.88
  5. Step 5: Solve for x
    x = 14,192,229,116.88/116,584.80
  6. Step 6: Final answer
    x = 121,733.10

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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.