Home / 121,747.07-168,007.71-68,032.52

Finding the Fourth Proportional to 121,747.07, 168,007.71 and 68,032.52

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Solution

The fourth proportional to 121,747.07, 168,007.71 and 68,032.52 is: 93,883.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,747.07 : 168,007.71 = 68,032.52 : x
  2. Step 2: Convert to fraction form
    121,747.07/168,007.71 = 68,032.52/x
  3. Step 3: Cross multiply
    121,747.07x = 168,007.71 × 68,032.52
  4. Step 4: Simplify right side
    121,747.07x = 11,429,987,050.69
  5. Step 5: Solve for x
    x = 11,429,987,050.69/121,747.07
  6. Step 6: Final answer
    x = 93,883.06

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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.