Home / 146,861.15-202,678.41-83,199.47

Finding the Fourth Proportional to 146,861.15, 202,678.41 and 83,199.47

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Solution

The fourth proportional to 146,861.15, 202,678.41 and 83,199.47 is: 114,820.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,861.15 : 202,678.41 = 83,199.47 : x
  2. Step 2: Convert to fraction form
    146,861.15/202,678.41 = 83,199.47/x
  3. Step 3: Cross multiply
    146,861.15x = 202,678.41 × 83,199.47
  4. Step 4: Simplify right side
    146,861.15x = 16,862,734,863.05
  5. Step 5: Solve for x
    x = 16,862,734,863.05/146,861.15
  6. Step 6: Final answer
    x = 114,820.94

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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.