Home / 125,323.24-187,996.76-45,381.40

Finding the Fourth Proportional to 125,323.24, 187,996.76 and 45,381.40

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Solution

The fourth proportional to 125,323.24, 187,996.76 and 45,381.40 is: 68,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,323.24 : 187,996.76 = 45,381.40 : x
  2. Step 2: Convert to fraction form
    125,323.24/187,996.76 = 45,381.40/x
  3. Step 3: Cross multiply
    125,323.24x = 187,996.76 × 45,381.40
  4. Step 4: Simplify right side
    125,323.24x = 8,531,556,164.26
  5. Step 5: Solve for x
    x = 8,531,556,164.26/125,323.24
  6. Step 6: Final answer
    x = 68,076.41

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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.