Home / 146,877.18-202,695.26-83,213.61

Finding the Fourth Proportional to 146,877.18, 202,695.26 and 83,213.61

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Solution

The fourth proportional to 146,877.18, 202,695.26 and 83,213.61 is: 114,837.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,877.18 : 202,695.26 = 83,213.61 : x
  2. Step 2: Convert to fraction form
    146,877.18/202,695.26 = 83,213.61/x
  3. Step 3: Cross multiply
    146,877.18x = 202,695.26 × 83,213.61
  4. Step 4: Simplify right side
    146,877.18x = 16,867,003,898.42
  5. Step 5: Solve for x
    x = 16,867,003,898.42/146,877.18
  6. Step 6: Final answer
    x = 114,837.47

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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.