Home / 137,372.82-189,576.38-89,598.75

Finding the Fourth Proportional to 137,372.82, 189,576.38 and 89,598.75

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Solution

The fourth proportional to 137,372.82, 189,576.38 and 89,598.75 is: 123,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,372.82 : 189,576.38 = 89,598.75 : x
  2. Step 2: Convert to fraction form
    137,372.82/189,576.38 = 89,598.75/x
  3. Step 3: Cross multiply
    137,372.82x = 189,576.38 × 89,598.75
  4. Step 4: Simplify right side
    137,372.82x = 16,985,806,677.53
  5. Step 5: Solve for x
    x = 16,985,806,677.53/137,372.82
  6. Step 6: Final answer
    x = 123,647.51

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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.