Home / 84,171.75-116,159.45-46,448.43

Finding the Fourth Proportional to 84,171.75, 116,159.45 and 46,448.43

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Solution

The fourth proportional to 84,171.75, 116,159.45 and 46,448.43 is: 64,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,171.75 : 116,159.45 = 46,448.43 : x
  2. Step 2: Convert to fraction form
    84,171.75/116,159.45 = 46,448.43/x
  3. Step 3: Cross multiply
    84,171.75x = 116,159.45 × 46,448.43
  4. Step 4: Simplify right side
    84,171.75x = 5,395,423,849.92
  5. Step 5: Solve for x
    x = 5,395,423,849.92/84,171.75
  6. Step 6: Final answer
    x = 64,100.17

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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.