Home / 136,147.41-187,869.04-75,708.29

Finding the Fourth Proportional to 136,147.41, 187,869.04 and 75,708.29

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Solution

The fourth proportional to 136,147.41, 187,869.04 and 75,708.29 is: 104,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,147.41 : 187,869.04 = 75,708.29 : x
  2. Step 2: Convert to fraction form
    136,147.41/187,869.04 = 75,708.29/x
  3. Step 3: Cross multiply
    136,147.41x = 187,869.04 × 75,708.29
  4. Step 4: Simplify right side
    136,147.41x = 14,223,243,762.34
  5. Step 5: Solve for x
    x = 14,223,243,762.34/136,147.41
  6. Step 6: Final answer
    x = 104,469.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.