Home / 121,744.78-168,004.57-68,030.24

Finding the Fourth Proportional to 121,744.78, 168,004.57 and 68,030.24

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Solution

The fourth proportional to 121,744.78, 168,004.57 and 68,030.24 is: 93,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,744.78 : 168,004.57 = 68,030.24 : x
  2. Step 2: Convert to fraction form
    121,744.78/168,004.57 = 68,030.24/x
  3. Step 3: Cross multiply
    121,744.78x = 168,004.57 × 68,030.24
  4. Step 4: Simplify right side
    121,744.78x = 11,429,390,573.37
  5. Step 5: Solve for x
    x = 11,429,390,573.37/121,744.78
  6. Step 6: Final answer
    x = 93,879.92

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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.