Home / 146,982.13-202,829.46-86,555.32

Finding the Fourth Proportional to 146,982.13, 202,829.46 and 86,555.32

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Solution

The fourth proportional to 146,982.13, 202,829.46 and 86,555.32 is: 119,442.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,982.13 : 202,829.46 = 86,555.32 : x
  2. Step 2: Convert to fraction form
    146,982.13/202,829.46 = 86,555.32/x
  3. Step 3: Cross multiply
    146,982.13x = 202,829.46 × 86,555.32
  4. Step 4: Simplify right side
    146,982.13x = 17,555,968,815.73
  5. Step 5: Solve for x
    x = 17,555,968,815.73/146,982.13
  6. Step 6: Final answer
    x = 119,442.88

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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.