Home / 137,975.93-190,408.51-83,527.38

Finding the Fourth Proportional to 137,975.93, 190,408.51 and 83,527.38

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Solution

The fourth proportional to 137,975.93, 190,408.51 and 83,527.38 is: 115,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,975.93 : 190,408.51 = 83,527.38 : x
  2. Step 2: Convert to fraction form
    137,975.93/190,408.51 = 83,527.38/x
  3. Step 3: Cross multiply
    137,975.93x = 190,408.51 × 83,527.38
  4. Step 4: Simplify right side
    137,975.93x = 15,904,323,604.57
  5. Step 5: Solve for x
    x = 15,904,323,604.57/137,975.93
  6. Step 6: Final answer
    x = 115,268.82

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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.