Home / 87,304.26-130,966.05-31,157.46

Finding the Fourth Proportional to 87,304.26, 130,966.05 and 31,157.46

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Solution

The fourth proportional to 87,304.26, 130,966.05 and 31,157.46 is: 46,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,304.26 : 130,966.05 = 31,157.46 : x
  2. Step 2: Convert to fraction form
    87,304.26/130,966.05 = 31,157.46/x
  3. Step 3: Cross multiply
    87,304.26x = 130,966.05 × 31,157.46
  4. Step 4: Simplify right side
    87,304.26x = 4,080,569,464.23
  5. Step 5: Solve for x
    x = 4,080,569,464.23/87,304.26
  6. Step 6: Final answer
    x = 46,739.64

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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.