Home / 87,371.30-130,860.12-52,237.28

Finding the Fourth Proportional to 87,371.30, 130,860.12 and 52,237.28

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Solution

The fourth proportional to 87,371.30, 130,860.12 and 52,237.28 is: 78,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,371.30 : 130,860.12 = 52,237.28 : x
  2. Step 2: Convert to fraction form
    87,371.30/130,860.12 = 52,237.28/x
  3. Step 3: Cross multiply
    87,371.30x = 130,860.12 × 52,237.28
  4. Step 4: Simplify right side
    87,371.30x = 6,835,776,729.27
  5. Step 5: Solve for x
    x = 6,835,776,729.27/87,371.30
  6. Step 6: Final answer
    x = 78,238.24

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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.