Home / 193,649.64-290,513.34-88,440.36

Finding the Fourth Proportional to 193,649.64, 290,513.34 and 88,440.36

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Solution

The fourth proportional to 193,649.64, 290,513.34 and 88,440.36 is: 132,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,649.64 : 290,513.34 = 88,440.36 : x
  2. Step 2: Convert to fraction form
    193,649.64/290,513.34 = 88,440.36/x
  3. Step 3: Cross multiply
    193,649.64x = 290,513.34 × 88,440.36
  4. Step 4: Simplify right side
    193,649.64x = 25,693,104,374.40
  5. Step 5: Solve for x
    x = 25,693,104,374.40/193,649.64
  6. Step 6: Final answer
    x = 132,678.30

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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.