Home / 146,405.33-202,030.96-80,990.24

Finding the Fourth Proportional to 146,405.33, 202,030.96 and 80,990.24

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Solution

The fourth proportional to 146,405.33, 202,030.96 and 80,990.24 is: 111,761.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,405.33 : 202,030.96 = 80,990.24 : x
  2. Step 2: Convert to fraction form
    146,405.33/202,030.96 = 80,990.24/x
  3. Step 3: Cross multiply
    146,405.33x = 202,030.96 × 80,990.24
  4. Step 4: Simplify right side
    146,405.33x = 16,362,536,442.91
  5. Step 5: Solve for x
    x = 16,362,536,442.91/146,405.33
  6. Step 6: Final answer
    x = 111,761.89

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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.