Home / 140,334.13-193,603.75-103,628.29

Finding the Fourth Proportional to 140,334.13, 193,603.75 and 103,628.29

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Solution

The fourth proportional to 140,334.13, 193,603.75 and 103,628.29 is: 142,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,334.13 : 193,603.75 = 103,628.29 : x
  2. Step 2: Convert to fraction form
    140,334.13/193,603.75 = 103,628.29/x
  3. Step 3: Cross multiply
    140,334.13x = 193,603.75 × 103,628.29
  4. Step 4: Simplify right side
    140,334.13x = 20,062,825,550.09
  5. Step 5: Solve for x
    x = 20,062,825,550.09/140,334.13
  6. Step 6: Final answer
    x = 142,964.69

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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.