Home / 117,333.07-161,918.13-63,617.92

Finding the Fourth Proportional to 117,333.07, 161,918.13 and 63,617.92

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Solution

The fourth proportional to 117,333.07, 161,918.13 and 63,617.92 is: 87,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,333.07 : 161,918.13 = 63,617.92 : x
  2. Step 2: Convert to fraction form
    117,333.07/161,918.13 = 63,617.92/x
  3. Step 3: Cross multiply
    117,333.07x = 161,918.13 × 63,617.92
  4. Step 4: Simplify right side
    117,333.07x = 10,300,894,640.89
  5. Step 5: Solve for x
    x = 10,300,894,640.89/117,333.07
  6. Step 6: Final answer
    x = 87,791.91

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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.