Home / 137,616.26-189,895.25-77,174.46

Finding the Fourth Proportional to 137,616.26, 189,895.25 and 77,174.46

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Solution

The fourth proportional to 137,616.26, 189,895.25 and 77,174.46 is: 106,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,616.26 : 189,895.25 = 77,174.46 : x
  2. Step 2: Convert to fraction form
    137,616.26/189,895.25 = 77,174.46/x
  3. Step 3: Cross multiply
    137,616.26x = 189,895.25 × 77,174.46
  4. Step 4: Simplify right side
    137,616.26x = 14,655,062,989.44
  5. Step 5: Solve for x
    x = 14,655,062,989.44/137,616.26
  6. Step 6: Final answer
    x = 106,492.24

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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.