Home / 155,821.48-233,939.58-82,001.32

Finding the Fourth Proportional to 155,821.48, 233,939.58 and 82,001.32

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Solution

The fourth proportional to 155,821.48, 233,939.58 and 82,001.32 is: 123,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,821.48 : 233,939.58 = 82,001.32 : x
  2. Step 2: Convert to fraction form
    155,821.48/233,939.58 = 82,001.32/x
  3. Step 3: Cross multiply
    155,821.48x = 233,939.58 × 82,001.32
  4. Step 4: Simplify right side
    155,821.48x = 19,183,354,360.25
  5. Step 5: Solve for x
    x = 19,183,354,360.25/155,821.48
  6. Step 6: Final answer
    x = 123,111.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.