Home / 166,351.45-249,741.69-142,810.28

Finding the Fourth Proportional to 166,351.45, 249,741.69 and 142,810.28

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Solution

The fourth proportional to 166,351.45, 249,741.69 and 142,810.28 is: 214,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,351.45 : 249,741.69 = 142,810.28 : x
  2. Step 2: Convert to fraction form
    166,351.45/249,741.69 = 142,810.28/x
  3. Step 3: Cross multiply
    166,351.45x = 249,741.69 × 142,810.28
  4. Step 4: Simplify right side
    166,351.45x = 35,665,680,676.57
  5. Step 5: Solve for x
    x = 35,665,680,676.57/166,351.45
  6. Step 6: Final answer
    x = 214,399.58

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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.