Home / 166,455.21-249,706.50-54,099.30

Finding the Fourth Proportional to 166,455.21, 249,706.50 and 54,099.30

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Solution

The fourth proportional to 166,455.21, 249,706.50 and 54,099.30 is: 81,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,455.21 : 249,706.50 = 54,099.30 : x
  2. Step 2: Convert to fraction form
    166,455.21/249,706.50 = 54,099.30/x
  3. Step 3: Cross multiply
    166,455.21x = 249,706.50 × 54,099.30
  4. Step 4: Simplify right side
    166,455.21x = 13,508,946,855.45
  5. Step 5: Solve for x
    x = 13,508,946,855.45/166,455.21
  6. Step 6: Final answer
    x = 81,156.65

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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.