Home / 169,448.34-254,261.61-80,685.30

Finding the Fourth Proportional to 169,448.34, 254,261.61 and 80,685.30

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Solution

The fourth proportional to 169,448.34, 254,261.61 and 80,685.30 is: 121,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,448.34 : 254,261.61 = 80,685.30 : x
  2. Step 2: Convert to fraction form
    169,448.34/254,261.61 = 80,685.30/x
  3. Step 3: Cross multiply
    169,448.34x = 254,261.61 × 80,685.30
  4. Step 4: Simplify right side
    169,448.34x = 20,515,174,281.33
  5. Step 5: Solve for x
    x = 20,515,174,281.33/169,448.34
  6. Step 6: Final answer
    x = 121,070.38

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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.