Home / 124,869-187,322.16-45,977.16

Finding the Fourth Proportional to 124,869, 187,322.16 and 45,977.16

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Solution

The fourth proportional to 124,869, 187,322.16 and 45,977.16 is: 68,972.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,869 : 187,322.16 = 45,977.16 : x
  2. Step 2: Convert to fraction form
    124,869/187,322.16 = 45,977.16/x
  3. Step 3: Cross multiply
    124,869x = 187,322.16 × 45,977.16
  4. Step 4: Simplify right side
    124,869x = 8,612,540,921.87
  5. Step 5: Solve for x
    x = 8,612,540,921.87/124,869
  6. Step 6: Final answer
    x = 68,972.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.