Home / 109,868.79-164,803.46-30,983.43

Finding the Fourth Proportional to 109,868.79, 164,803.46 and 30,983.43

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Solution

The fourth proportional to 109,868.79, 164,803.46 and 30,983.43 is: 46,475.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,868.79 : 164,803.46 = 30,983.43 : x
  2. Step 2: Convert to fraction form
    109,868.79/164,803.46 = 30,983.43/x
  3. Step 3: Cross multiply
    109,868.79x = 164,803.46 × 30,983.43
  4. Step 4: Simplify right side
    109,868.79x = 5,106,176,311.75
  5. Step 5: Solve for x
    x = 5,106,176,311.75/109,868.79
  6. Step 6: Final answer
    x = 46,475.22

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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.