Home / 130,031.31-194,991.57-51,090.16

Finding the Fourth Proportional to 130,031.31, 194,991.57 and 51,090.16

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Solution

The fourth proportional to 130,031.31, 194,991.57 and 51,090.16 is: 76,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,031.31 : 194,991.57 = 51,090.16 : x
  2. Step 2: Convert to fraction form
    130,031.31/194,991.57 = 51,090.16/x
  3. Step 3: Cross multiply
    130,031.31x = 194,991.57 × 51,090.16
  4. Step 4: Simplify right side
    130,031.31x = 9,962,150,150.20
  5. Step 5: Solve for x
    x = 9,962,150,150.20/130,031.31
  6. Step 6: Final answer
    x = 76,613.48

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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.