Home / 192,869.40-266,175.12-142,113.96

Finding the Fourth Proportional to 192,869.40, 266,175.12 and 142,113.96

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Solution

The fourth proportional to 192,869.40, 266,175.12 and 142,113.96 is: 196,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,869.40 : 266,175.12 = 142,113.96 : x
  2. Step 2: Convert to fraction form
    192,869.40/266,175.12 = 142,113.96/x
  3. Step 3: Cross multiply
    192,869.40x = 266,175.12 × 142,113.96
  4. Step 4: Simplify right side
    192,869.40x = 37,827,200,356.68
  5. Step 5: Solve for x
    x = 37,827,200,356.68/192,869.40
  6. Step 6: Final answer
    x = 196,128.57

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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.