Home / 137,868.14-190,253.89-76,614.13

Finding the Fourth Proportional to 137,868.14, 190,253.89 and 76,614.13

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Solution

The fourth proportional to 137,868.14, 190,253.89 and 76,614.13 is: 105,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,868.14 : 190,253.89 = 76,614.13 : x
  2. Step 2: Convert to fraction form
    137,868.14/190,253.89 = 76,614.13/x
  3. Step 3: Cross multiply
    137,868.14x = 190,253.89 × 76,614.13
  4. Step 4: Simplify right side
    137,868.14x = 14,576,135,977.37
  5. Step 5: Solve for x
    x = 14,576,135,977.37/137,868.14
  6. Step 6: Final answer
    x = 105,725.19

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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.