Home / 137,253.41-189,410.36-76,825.25

Finding the Fourth Proportional to 137,253.41, 189,410.36 and 76,825.25

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Solution

The fourth proportional to 137,253.41, 189,410.36 and 76,825.25 is: 106,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,253.41 : 189,410.36 = 76,825.25 : x
  2. Step 2: Convert to fraction form
    137,253.41/189,410.36 = 76,825.25/x
  3. Step 3: Cross multiply
    137,253.41x = 189,410.36 × 76,825.25
  4. Step 4: Simplify right side
    137,253.41x = 14,551,498,259.59
  5. Step 5: Solve for x
    x = 14,551,498,259.59/137,253.41
  6. Step 6: Final answer
    x = 106,019.21

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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.