Home / 146,488.68-202,158.36-82,836

Finding the Fourth Proportional to 146,488.68, 202,158.36 and 82,836

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Solution

The fourth proportional to 146,488.68, 202,158.36 and 82,836 is: 114,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,488.68 : 202,158.36 = 82,836 : x
  2. Step 2: Convert to fraction form
    146,488.68/202,158.36 = 82,836/x
  3. Step 3: Cross multiply
    146,488.68x = 202,158.36 × 82,836
  4. Step 4: Simplify right side
    146,488.68x = 16,745,989,908.96
  5. Step 5: Solve for x
    x = 16,745,989,908.96/146,488.68
  6. Step 6: Final answer
    x = 114,315.93

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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.