Home / 146,869.64-202,680.78-83,219.84

Finding the Fourth Proportional to 146,869.64, 202,680.78 and 83,219.84

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Solution

The fourth proportional to 146,869.64, 202,680.78 and 83,219.84 is: 114,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,869.64 : 202,680.78 = 83,219.84 : x
  2. Step 2: Convert to fraction form
    146,869.64/202,680.78 = 83,219.84/x
  3. Step 3: Cross multiply
    146,869.64x = 202,680.78 × 83,219.84
  4. Step 4: Simplify right side
    146,869.64x = 16,867,061,985.36
  5. Step 5: Solve for x
    x = 16,867,061,985.36/146,869.64
  6. Step 6: Final answer
    x = 114,843.76

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1.5x scale

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.