Home / 166,383.60-249,387.99-81,964.90

Finding the Fourth Proportional to 166,383.60, 249,387.99 and 81,964.90

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Solution

The fourth proportional to 166,383.60, 249,387.99 and 81,964.90 is: 122,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,383.60 : 249,387.99 = 81,964.90 : x
  2. Step 2: Convert to fraction form
    166,383.60/249,387.99 = 81,964.90/x
  3. Step 3: Cross multiply
    166,383.60x = 249,387.99 × 81,964.90
  4. Step 4: Simplify right side
    166,383.60x = 20,441,061,661.55
  5. Step 5: Solve for x
    x = 20,441,061,661.55/166,383.60
  6. Step 6: Final answer
    x = 122,855.03

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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.