Home / 87,363.80-130,954.81-59,286.36

Finding the Fourth Proportional to 87,363.80, 130,954.81 and 59,286.36

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Solution

The fourth proportional to 87,363.80, 130,954.81 and 59,286.36 is: 88,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,363.80 : 130,954.81 = 59,286.36 : x
  2. Step 2: Convert to fraction form
    87,363.80/130,954.81 = 59,286.36/x
  3. Step 3: Cross multiply
    87,363.80x = 130,954.81 × 59,286.36
  4. Step 4: Simplify right side
    87,363.80x = 7,763,834,009.39
  5. Step 5: Solve for x
    x = 7,763,834,009.39/87,363.80
  6. Step 6: Final answer
    x = 88,867.86

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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.