Home / 125,233.47-187,860.90-69,112.31

Finding the Fourth Proportional to 125,233.47, 187,860.90 and 69,112.31

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Solution

The fourth proportional to 125,233.47, 187,860.90 and 69,112.31 is: 103,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,233.47 : 187,860.90 = 69,112.31 : x
  2. Step 2: Convert to fraction form
    125,233.47/187,860.90 = 69,112.31/x
  3. Step 3: Cross multiply
    125,233.47x = 187,860.90 × 69,112.31
  4. Step 4: Simplify right side
    125,233.47x = 12,983,500,757.68
  5. Step 5: Solve for x
    x = 12,983,500,757.68/125,233.47
  6. Step 6: Final answer
    x = 103,674.37

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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.