Home / 146,432.08-202,074.91-81,900.53

Finding the Fourth Proportional to 146,432.08, 202,074.91 and 81,900.53

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Solution

The fourth proportional to 146,432.08, 202,074.91 and 81,900.53 is: 113,021.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,432.08 : 202,074.91 = 81,900.53 : x
  2. Step 2: Convert to fraction form
    146,432.08/202,074.91 = 81,900.53/x
  3. Step 3: Cross multiply
    146,432.08x = 202,074.91 × 81,900.53
  4. Step 4: Simplify right side
    146,432.08x = 16,550,042,228.70
  5. Step 5: Solve for x
    x = 16,550,042,228.70/146,432.08
  6. Step 6: Final answer
    x = 113,021.97

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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.