Home / 166,090.20-249,159.60-53,751.30

Finding the Fourth Proportional to 166,090.20, 249,159.60 and 53,751.30

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Solution

The fourth proportional to 166,090.20, 249,159.60 and 53,751.30 is: 80,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,090.20 : 249,159.60 = 53,751.30 : x
  2. Step 2: Convert to fraction form
    166,090.20/249,159.60 = 53,751.30/x
  3. Step 3: Cross multiply
    166,090.20x = 249,159.60 × 53,751.30
  4. Step 4: Simplify right side
    166,090.20x = 13,392,652,407.48
  5. Step 5: Solve for x
    x = 13,392,652,407.48/166,090.20
  6. Step 6: Final answer
    x = 80,634.81

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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.