Home / 87,167.39-130,758.37-31,038.03

Finding the Fourth Proportional to 87,167.39, 130,758.37 and 31,038.03

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Solution

The fourth proportional to 87,167.39, 130,758.37 and 31,038.03 is: 46,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,167.39 : 130,758.37 = 31,038.03 : x
  2. Step 2: Convert to fraction form
    87,167.39/130,758.37 = 31,038.03/x
  3. Step 3: Cross multiply
    87,167.39x = 130,758.37 × 31,038.03
  4. Step 4: Simplify right side
    87,167.39x = 4,058,482,133.22
  5. Step 5: Solve for x
    x = 4,058,482,133.22/87,167.39
  6. Step 6: Final answer
    x = 46,559.64

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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.