Home / 116,228.21-174,065.49-80,724.96

Finding the Fourth Proportional to 116,228.21, 174,065.49 and 80,724.96

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Solution

The fourth proportional to 116,228.21, 174,065.49 and 80,724.96 is: 120,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,228.21 : 174,065.49 = 80,724.96 : x
  2. Step 2: Convert to fraction form
    116,228.21/174,065.49 = 80,724.96/x
  3. Step 3: Cross multiply
    116,228.21x = 174,065.49 × 80,724.96
  4. Step 4: Simplify right side
    116,228.21x = 14,051,429,717.63
  5. Step 5: Solve for x
    x = 14,051,429,717.63/116,228.21
  6. Step 6: Final answer
    x = 120,895.18

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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.