Home / 166,520.79-249,784.20-54,200.61

Finding the Fourth Proportional to 166,520.79, 249,784.20 and 54,200.61

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Solution

The fourth proportional to 166,520.79, 249,784.20 and 54,200.61 is: 81,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,520.79 : 249,784.20 = 54,200.61 : x
  2. Step 2: Convert to fraction form
    166,520.79/249,784.20 = 54,200.61/x
  3. Step 3: Cross multiply
    166,520.79x = 249,784.20 × 54,200.61
  4. Step 4: Simplify right side
    166,520.79x = 13,538,456,008.36
  5. Step 5: Solve for x
    x = 13,538,456,008.36/166,520.79
  6. Step 6: Final answer
    x = 81,301.90

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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.