Home / 122,509.13-168,537.71-117,260.33

Finding the Fourth Proportional to 122,509.13, 168,537.71 and 117,260.33

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Solution

The fourth proportional to 122,509.13, 168,537.71 and 117,260.33 is: 161,316.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,509.13 : 168,537.71 = 117,260.33 : x
  2. Step 2: Convert to fraction form
    122,509.13/168,537.71 = 117,260.33/x
  3. Step 3: Cross multiply
    122,509.13x = 168,537.71 × 117,260.33
  4. Step 4: Simplify right side
    122,509.13x = 19,762,786,942.51
  5. Step 5: Solve for x
    x = 19,762,786,942.51/122,509.13
  6. Step 6: Final answer
    x = 161,316.86

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1.5x scale

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.