Home / 166,172.72-249,257.12-112,732.29

Finding the Fourth Proportional to 166,172.72, 249,257.12 and 112,732.29

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Solution

The fourth proportional to 166,172.72, 249,257.12 and 112,732.29 is: 169,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,172.72 : 249,257.12 = 112,732.29 : x
  2. Step 2: Convert to fraction form
    166,172.72/249,257.12 = 112,732.29/x
  3. Step 3: Cross multiply
    166,172.72x = 249,257.12 × 112,732.29
  4. Step 4: Simplify right side
    166,172.72x = 28,099,325,372.74
  5. Step 5: Solve for x
    x = 28,099,325,372.74/166,172.72
  6. Step 6: Final answer
    x = 169,097.11

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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.