Home / 169,775.48-254,275.44-81,091.72

Finding the Fourth Proportional to 169,775.48, 254,275.44 and 81,091.72

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Solution

The fourth proportional to 169,775.48, 254,275.44 and 81,091.72 is: 121,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,775.48 : 254,275.44 = 81,091.72 : x
  2. Step 2: Convert to fraction form
    169,775.48/254,275.44 = 81,091.72/x
  3. Step 3: Cross multiply
    169,775.48x = 254,275.44 × 81,091.72
  4. Step 4: Simplify right side
    169,775.48x = 20,619,632,783.36
  5. Step 5: Solve for x
    x = 20,619,632,783.36/169,775.48
  6. Step 6: Final answer
    x = 121,452.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.