Home / 155,716.62-214,888.91-84,096.64

Finding the Fourth Proportional to 155,716.62, 214,888.91 and 84,096.64

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Solution

The fourth proportional to 155,716.62, 214,888.91 and 84,096.64 is: 116,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,716.62 : 214,888.91 = 84,096.64 : x
  2. Step 2: Convert to fraction form
    155,716.62/214,888.91 = 84,096.64/x
  3. Step 3: Cross multiply
    155,716.62x = 214,888.91 × 84,096.64
  4. Step 4: Simplify right side
    155,716.62x = 18,071,435,304.26
  5. Step 5: Solve for x
    x = 18,071,435,304.26/155,716.62
  6. Step 6: Final answer
    x = 116,053.35

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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.